Home / 20,497.04-28,292.18-12,001.15

Finding the Fourth Proportional to 20,497.04, 28,292.18 and 12,001.15

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Solution

The fourth proportional to 20,497.04, 28,292.18 and 12,001.15 is: 16,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.04 : 28,292.18 = 12,001.15 : x
  2. Step 2: Convert to fraction form
    20,497.04/28,292.18 = 12,001.15/x
  3. Step 3: Cross multiply
    20,497.04x = 28,292.18 × 12,001.15
  4. Step 4: Simplify right side
    20,497.04x = 339,538,696.01
  5. Step 5: Solve for x
    x = 339,538,696.01/20,497.04
  6. Step 6: Final answer
    x = 16,565.26

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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.