Home / 10,375.80-15,463.06-10,043.72

Finding the Fourth Proportional to 10,375.80, 15,463.06 and 10,043.72

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Solution

The fourth proportional to 10,375.80, 15,463.06 and 10,043.72 is: 14,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.80 : 15,463.06 = 10,043.72 : x
  2. Step 2: Convert to fraction form
    10,375.80/15,463.06 = 10,043.72/x
  3. Step 3: Cross multiply
    10,375.80x = 15,463.06 × 10,043.72
  4. Step 4: Simplify right side
    10,375.80x = 155,306,644.98
  5. Step 5: Solve for x
    x = 155,306,644.98/10,375.80
  6. Step 6: Final answer
    x = 14,968.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.