Home / 9,020.90-12,447.32-5,042.04

Finding the Fourth Proportional to 9,020.90, 12,447.32 and 5,042.04

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Solution

The fourth proportional to 9,020.90, 12,447.32 and 5,042.04 is: 6,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.90 : 12,447.32 = 5,042.04 : x
  2. Step 2: Convert to fraction form
    9,020.90/12,447.32 = 5,042.04/x
  3. Step 3: Cross multiply
    9,020.90x = 12,447.32 × 5,042.04
  4. Step 4: Simplify right side
    9,020.90x = 62,759,860.12
  5. Step 5: Solve for x
    x = 62,759,860.12/9,020.90
  6. Step 6: Final answer
    x = 6,957.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.