Home / 9,447.46-13,036.31-6,387.97

Finding the Fourth Proportional to 9,447.46, 13,036.31 and 6,387.97

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Solution

The fourth proportional to 9,447.46, 13,036.31 and 6,387.97 is: 8,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.46 : 13,036.31 = 6,387.97 : x
  2. Step 2: Convert to fraction form
    9,447.46/13,036.31 = 6,387.97/x
  3. Step 3: Cross multiply
    9,447.46x = 13,036.31 × 6,387.97
  4. Step 4: Simplify right side
    9,447.46x = 83,275,557.19
  5. Step 5: Solve for x
    x = 83,275,557.19/9,447.46
  6. Step 6: Final answer
    x = 8,814.60

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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.