Home / 14,159.96-19,522.38-9,115.16

Finding the Fourth Proportional to 14,159.96, 19,522.38 and 9,115.16

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Solution

The fourth proportional to 14,159.96, 19,522.38 and 9,115.16 is: 12,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.96 : 19,522.38 = 9,115.16 : x
  2. Step 2: Convert to fraction form
    14,159.96/19,522.38 = 9,115.16/x
  3. Step 3: Cross multiply
    14,159.96x = 19,522.38 × 9,115.16
  4. Step 4: Simplify right side
    14,159.96x = 177,949,617.28
  5. Step 5: Solve for x
    x = 177,949,617.28/14,159.96
  6. Step 6: Final answer
    x = 12,567.10

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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.