Home / 16,002.40-22,095.12-9,723.20

Finding the Fourth Proportional to 16,002.40, 22,095.12 and 9,723.20

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Solution

The fourth proportional to 16,002.40, 22,095.12 and 9,723.20 is: 13,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,002.40 : 22,095.12 = 9,723.20 : x
  2. Step 2: Convert to fraction form
    16,002.40/22,095.12 = 9,723.20/x
  3. Step 3: Cross multiply
    16,002.40x = 22,095.12 × 9,723.20
  4. Step 4: Simplify right side
    16,002.40x = 214,835,270.78
  5. Step 5: Solve for x
    x = 214,835,270.78/16,002.40
  6. Step 6: Final answer
    x = 13,425.19

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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.