Home / 12,966.43-17,887.10-7,585.35

Finding the Fourth Proportional to 12,966.43, 17,887.10 and 7,585.35

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Solution

The fourth proportional to 12,966.43, 17,887.10 and 7,585.35 is: 10,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.43 : 17,887.10 = 7,585.35 : x
  2. Step 2: Convert to fraction form
    12,966.43/17,887.10 = 7,585.35/x
  3. Step 3: Cross multiply
    12,966.43x = 17,887.10 × 7,585.35
  4. Step 4: Simplify right side
    12,966.43x = 135,679,851.65
  5. Step 5: Solve for x
    x = 135,679,851.65/12,966.43
  6. Step 6: Final answer
    x = 10,463.93

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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.