Home / 20,312.72-30,471.97-6,273.91

Finding the Fourth Proportional to 20,312.72, 30,471.97 and 6,273.91

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Solution

The fourth proportional to 20,312.72, 30,471.97 and 6,273.91 is: 9,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.72 : 30,471.97 = 6,273.91 : x
  2. Step 2: Convert to fraction form
    20,312.72/30,471.97 = 6,273.91/x
  3. Step 3: Cross multiply
    20,312.72x = 30,471.97 × 6,273.91
  4. Step 4: Simplify right side
    20,312.72x = 191,178,397.30
  5. Step 5: Solve for x
    x = 191,178,397.30/20,312.72
  6. Step 6: Final answer
    x = 9,411.76

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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.