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Finding the Fourth Proportional to 15,101.19, 22,641.78 and 7,204.92

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Solution

The fourth proportional to 15,101.19, 22,641.78 and 7,204.92 is: 10,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.19 : 22,641.78 = 7,204.92 : x
  2. Step 2: Convert to fraction form
    15,101.19/22,641.78 = 7,204.92/x
  3. Step 3: Cross multiply
    15,101.19x = 22,641.78 × 7,204.92
  4. Step 4: Simplify right side
    15,101.19x = 163,132,186.54
  5. Step 5: Solve for x
    x = 163,132,186.54/15,101.19
  6. Step 6: Final answer
    x = 10,802.61

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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.