Home / 10,679.80-16,036.15-9,035.52

Finding the Fourth Proportional to 10,679.80, 16,036.15 and 9,035.52

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Solution

The fourth proportional to 10,679.80, 16,036.15 and 9,035.52 is: 13,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.80 : 16,036.15 = 9,035.52 : x
  2. Step 2: Convert to fraction form
    10,679.80/16,036.15 = 9,035.52/x
  3. Step 3: Cross multiply
    10,679.80x = 16,036.15 × 9,035.52
  4. Step 4: Simplify right side
    10,679.80x = 144,894,954.05
  5. Step 5: Solve for x
    x = 144,894,954.05/10,679.80
  6. Step 6: Final answer
    x = 13,567.20

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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.