Home / 13,544.04-18,689.07-8,166.75

Finding the Fourth Proportional to 13,544.04, 18,689.07 and 8,166.75

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Solution

The fourth proportional to 13,544.04, 18,689.07 and 8,166.75 is: 11,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.04 : 18,689.07 = 8,166.75 : x
  2. Step 2: Convert to fraction form
    13,544.04/18,689.07 = 8,166.75/x
  3. Step 3: Cross multiply
    13,544.04x = 18,689.07 × 8,166.75
  4. Step 4: Simplify right side
    13,544.04x = 152,628,962.42
  5. Step 5: Solve for x
    x = 152,628,962.42/13,544.04
  6. Step 6: Final answer
    x = 11,269.09

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Half scale
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Double scale
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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.