Home / 9,534.08-14,305.20-3,988.72

Finding the Fourth Proportional to 9,534.08, 14,305.20 and 3,988.72

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Solution

The fourth proportional to 9,534.08, 14,305.20 and 3,988.72 is: 5,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,534.08 : 14,305.20 = 3,988.72 : x
  2. Step 2: Convert to fraction form
    9,534.08/14,305.20 = 3,988.72/x
  3. Step 3: Cross multiply
    9,534.08x = 14,305.20 × 3,988.72
  4. Step 4: Simplify right side
    9,534.08x = 57,059,437.34
  5. Step 5: Solve for x
    x = 57,059,437.34/9,534.08
  6. Step 6: Final answer
    x = 5,984.79

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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.