Home / 21,583.14-29,785.29-12,152.04

Finding the Fourth Proportional to 21,583.14, 29,785.29 and 12,152.04

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Solution

The fourth proportional to 21,583.14, 29,785.29 and 12,152.04 is: 16,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.14 : 29,785.29 = 12,152.04 : x
  2. Step 2: Convert to fraction form
    21,583.14/29,785.29 = 12,152.04/x
  3. Step 3: Cross multiply
    21,583.14x = 29,785.29 × 12,152.04
  4. Step 4: Simplify right side
    21,583.14x = 361,952,035.49
  5. Step 5: Solve for x
    x = 361,952,035.49/21,583.14
  6. Step 6: Final answer
    x = 16,770.13

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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.