Home / 11,237.04-15,507.36-6,457.80

Finding the Fourth Proportional to 11,237.04, 15,507.36 and 6,457.80

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Solution

The fourth proportional to 11,237.04, 15,507.36 and 6,457.80 is: 8,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.04 : 15,507.36 = 6,457.80 : x
  2. Step 2: Convert to fraction form
    11,237.04/15,507.36 = 6,457.80/x
  3. Step 3: Cross multiply
    11,237.04x = 15,507.36 × 6,457.80
  4. Step 4: Simplify right side
    11,237.04x = 100,143,429.41
  5. Step 5: Solve for x
    x = 100,143,429.41/11,237.04
  6. Step 6: Final answer
    x = 8,911.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.