Home / 10,387.11-14,298.04-9,058.51

Finding the Fourth Proportional to 10,387.11, 14,298.04 and 9,058.51

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Solution

The fourth proportional to 10,387.11, 14,298.04 and 9,058.51 is: 12,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.11 : 14,298.04 = 9,058.51 : x
  2. Step 2: Convert to fraction form
    10,387.11/14,298.04 = 9,058.51/x
  3. Step 3: Cross multiply
    10,387.11x = 14,298.04 × 9,058.51
  4. Step 4: Simplify right side
    10,387.11x = 129,518,952.78
  5. Step 5: Solve for x
    x = 129,518,952.78/10,387.11
  6. Step 6: Final answer
    x = 12,469.20

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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.