Home / 9,193.50-12,687.03-5,001.78

Finding the Fourth Proportional to 9,193.50, 12,687.03 and 5,001.78

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Solution

The fourth proportional to 9,193.50, 12,687.03 and 5,001.78 is: 6,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.50 : 12,687.03 = 5,001.78 : x
  2. Step 2: Convert to fraction form
    9,193.50/12,687.03 = 5,001.78/x
  3. Step 3: Cross multiply
    9,193.50x = 12,687.03 × 5,001.78
  4. Step 4: Simplify right side
    9,193.50x = 63,457,732.91
  5. Step 5: Solve for x
    x = 63,457,732.91/9,193.50
  6. Step 6: Final answer
    x = 6,902.46

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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.