Home / 10,020.48-15,032.08-4,175.72

Finding the Fourth Proportional to 10,020.48, 15,032.08 and 4,175.72

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Solution

The fourth proportional to 10,020.48, 15,032.08 and 4,175.72 is: 6,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.48 : 15,032.08 = 4,175.72 : x
  2. Step 2: Convert to fraction form
    10,020.48/15,032.08 = 4,175.72/x
  3. Step 3: Cross multiply
    10,020.48x = 15,032.08 × 4,175.72
  4. Step 4: Simplify right side
    10,020.48x = 62,769,743.53
  5. Step 5: Solve for x
    x = 62,769,743.53/10,020.48
  6. Step 6: Final answer
    x = 6,264.15

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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.