Home / 12,869.67-19,301.40-5,474.10

Finding the Fourth Proportional to 12,869.67, 19,301.40 and 5,474.10

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Solution

The fourth proportional to 12,869.67, 19,301.40 and 5,474.10 is: 8,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.67 : 19,301.40 = 5,474.10 : x
  2. Step 2: Convert to fraction form
    12,869.67/19,301.40 = 5,474.10/x
  3. Step 3: Cross multiply
    12,869.67x = 19,301.40 × 5,474.10
  4. Step 4: Simplify right side
    12,869.67x = 105,657,793.74
  5. Step 5: Solve for x
    x = 105,657,793.74/12,869.67
  6. Step 6: Final answer
    x = 8,209.83

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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.