Home / 10,282.44-15,429.80-9,445.91

Finding the Fourth Proportional to 10,282.44, 15,429.80 and 9,445.91

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Solution

The fourth proportional to 10,282.44, 15,429.80 and 9,445.91 is: 14,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.44 : 15,429.80 = 9,445.91 : x
  2. Step 2: Convert to fraction form
    10,282.44/15,429.80 = 9,445.91/x
  3. Step 3: Cross multiply
    10,282.44x = 15,429.80 × 9,445.91
  4. Step 4: Simplify right side
    10,282.44x = 145,748,502.12
  5. Step 5: Solve for x
    x = 145,748,502.12/10,282.44
  6. Step 6: Final answer
    x = 14,174.51

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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.