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Finding the Fourth Proportional to 15,012.68, 22,510.90 and 10,638.68

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Solution

The fourth proportional to 15,012.68, 22,510.90 and 10,638.68 is: 15,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.68 : 22,510.90 = 10,638.68 : x
  2. Step 2: Convert to fraction form
    15,012.68/22,510.90 = 10,638.68/x
  3. Step 3: Cross multiply
    15,012.68x = 22,510.90 × 10,638.68
  4. Step 4: Simplify right side
    15,012.68x = 239,486,261.61
  5. Step 5: Solve for x
    x = 239,486,261.61/15,012.68
  6. Step 6: Final answer
    x = 15,952.27

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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.