Home / 13,560.61-20,344.02-5,240.71

Finding the Fourth Proportional to 13,560.61, 20,344.02 and 5,240.71

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Solution

The fourth proportional to 13,560.61, 20,344.02 and 5,240.71 is: 7,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.61 : 20,344.02 = 5,240.71 : x
  2. Step 2: Convert to fraction form
    13,560.61/20,344.02 = 5,240.71/x
  3. Step 3: Cross multiply
    13,560.61x = 20,344.02 × 5,240.71
  4. Step 4: Simplify right side
    13,560.61x = 106,617,109.05
  5. Step 5: Solve for x
    x = 106,617,109.05/13,560.61
  6. Step 6: Final answer
    x = 7,862.26

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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.