Home / 10,279.02-15,344.15-9,033.49

Finding the Fourth Proportional to 10,279.02, 15,344.15 and 9,033.49

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Solution

The fourth proportional to 10,279.02, 15,344.15 and 9,033.49 is: 13,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.02 : 15,344.15 = 9,033.49 : x
  2. Step 2: Convert to fraction form
    10,279.02/15,344.15 = 9,033.49/x
  3. Step 3: Cross multiply
    10,279.02x = 15,344.15 × 9,033.49
  4. Step 4: Simplify right side
    10,279.02x = 138,611,126.28
  5. Step 5: Solve for x
    x = 138,611,126.28/10,279.02
  6. Step 6: Final answer
    x = 13,484.86

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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.