Home / 15,681.12-23,487.12-9,512.16

Finding the Fourth Proportional to 15,681.12, 23,487.12 and 9,512.16

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Solution

The fourth proportional to 15,681.12, 23,487.12 and 9,512.16 is: 14,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.12 : 23,487.12 = 9,512.16 : x
  2. Step 2: Convert to fraction form
    15,681.12/23,487.12 = 9,512.16/x
  3. Step 3: Cross multiply
    15,681.12x = 23,487.12 × 9,512.16
  4. Step 4: Simplify right side
    15,681.12x = 223,413,243.38
  5. Step 5: Solve for x
    x = 223,413,243.38/15,681.12
  6. Step 6: Final answer
    x = 14,247.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.