Home / 13,240.29-19,865.61-5,839.56

Finding the Fourth Proportional to 13,240.29, 19,865.61 and 5,839.56

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Solution

The fourth proportional to 13,240.29, 19,865.61 and 5,839.56 is: 8,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.29 : 19,865.61 = 5,839.56 : x
  2. Step 2: Convert to fraction form
    13,240.29/19,865.61 = 5,839.56/x
  3. Step 3: Cross multiply
    13,240.29x = 19,865.61 × 5,839.56
  4. Step 4: Simplify right side
    13,240.29x = 116,006,421.53
  5. Step 5: Solve for x
    x = 116,006,421.53/13,240.29
  6. Step 6: Final answer
    x = 8,761.62

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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.