Home / 12,287.19-16,952.43-7,253.15

Finding the Fourth Proportional to 12,287.19, 16,952.43 and 7,253.15

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Solution

The fourth proportional to 12,287.19, 16,952.43 and 7,253.15 is: 10,007.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287.19 : 16,952.43 = 7,253.15 : x
  2. Step 2: Convert to fraction form
    12,287.19/16,952.43 = 7,253.15/x
  3. Step 3: Cross multiply
    12,287.19x = 16,952.43 × 7,253.15
  4. Step 4: Simplify right side
    12,287.19x = 122,958,432.89
  5. Step 5: Solve for x
    x = 122,958,432.89/12,287.19
  6. Step 6: Final answer
    x = 10,007.04

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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.