Home / 10,534.11-15,754.69-9,372.30

Finding the Fourth Proportional to 10,534.11, 15,754.69 and 9,372.30

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Solution

The fourth proportional to 10,534.11, 15,754.69 and 9,372.30 is: 14,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.11 : 15,754.69 = 9,372.30 : x
  2. Step 2: Convert to fraction form
    10,534.11/15,754.69 = 9,372.30/x
  3. Step 3: Cross multiply
    10,534.11x = 15,754.69 × 9,372.30
  4. Step 4: Simplify right side
    10,534.11x = 147,657,681.09
  5. Step 5: Solve for x
    x = 147,657,681.09/10,534.11
  6. Step 6: Final answer
    x = 14,017.10

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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.