Home / 30,164.38-45,246.56-9,387.88

Finding the Fourth Proportional to 30,164.38, 45,246.56 and 9,387.88

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Solution

The fourth proportional to 30,164.38, 45,246.56 and 9,387.88 is: 14,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.38 : 45,246.56 = 9,387.88 : x
  2. Step 2: Convert to fraction form
    30,164.38/45,246.56 = 9,387.88/x
  3. Step 3: Cross multiply
    30,164.38x = 45,246.56 × 9,387.88
  4. Step 4: Simplify right side
    30,164.38x = 424,769,275.69
  5. Step 5: Solve for x
    x = 424,769,275.69/30,164.38
  6. Step 6: Final answer
    x = 14,081.82

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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.