Home / 10,020.80-15,032.36-3,001.20

Finding the Fourth Proportional to 10,020.80, 15,032.36 and 3,001.20

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Solution

The fourth proportional to 10,020.80, 15,032.36 and 3,001.20 is: 4,502.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.80 : 15,032.36 = 3,001.20 : x
  2. Step 2: Convert to fraction form
    10,020.80/15,032.36 = 3,001.20/x
  3. Step 3: Cross multiply
    10,020.80x = 15,032.36 × 3,001.20
  4. Step 4: Simplify right side
    10,020.80x = 45,115,118.83
  5. Step 5: Solve for x
    x = 45,115,118.83/10,020.80
  6. Step 6: Final answer
    x = 4,502.15

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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.