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Finding the Fourth Proportional to 10,073.76, 15,106.11 and 5,393.04

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Solution

The fourth proportional to 10,073.76, 15,106.11 and 5,393.04 is: 8,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.76 : 15,106.11 = 5,393.04 : x
  2. Step 2: Convert to fraction form
    10,073.76/15,106.11 = 5,393.04/x
  3. Step 3: Cross multiply
    10,073.76x = 15,106.11 × 5,393.04
  4. Step 4: Simplify right side
    10,073.76x = 81,467,855.47
  5. Step 5: Solve for x
    x = 81,467,855.47/10,073.76
  6. Step 6: Final answer
    x = 8,087.13

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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.