Home / 21,068.04-31,600.92-10,679.52

Finding the Fourth Proportional to 21,068.04, 31,600.92 and 10,679.52

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Solution

The fourth proportional to 21,068.04, 31,600.92 and 10,679.52 is: 16,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068.04 : 31,600.92 = 10,679.52 : x
  2. Step 2: Convert to fraction form
    21,068.04/31,600.92 = 10,679.52/x
  3. Step 3: Cross multiply
    21,068.04x = 31,600.92 × 10,679.52
  4. Step 4: Simplify right side
    21,068.04x = 337,482,657.16
  5. Step 5: Solve for x
    x = 337,482,657.16/21,068.04
  6. Step 6: Final answer
    x = 16,018.70

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1.5x scale

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.