Home / 11,235.55-15,505.76-6,457.03

Finding the Fourth Proportional to 11,235.55, 15,505.76 and 6,457.03

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Solution

The fourth proportional to 11,235.55, 15,505.76 and 6,457.03 is: 8,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.55 : 15,505.76 = 6,457.03 : x
  2. Step 2: Convert to fraction form
    11,235.55/15,505.76 = 6,457.03/x
  3. Step 3: Cross multiply
    11,235.55x = 15,505.76 × 6,457.03
  4. Step 4: Simplify right side
    11,235.55x = 100,121,157.49
  5. Step 5: Solve for x
    x = 100,121,157.49/11,235.55
  6. Step 6: Final answer
    x = 8,911.10

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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.