Home / 13,569.52-20,352.18-5,253.40

Finding the Fourth Proportional to 13,569.52, 20,352.18 and 5,253.40

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Solution

The fourth proportional to 13,569.52, 20,352.18 and 5,253.40 is: 7,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.52 : 20,352.18 = 5,253.40 : x
  2. Step 2: Convert to fraction form
    13,569.52/20,352.18 = 5,253.40/x
  3. Step 3: Cross multiply
    13,569.52x = 20,352.18 × 5,253.40
  4. Step 4: Simplify right side
    13,569.52x = 106,918,142.41
  5. Step 5: Solve for x
    x = 106,918,142.41/13,569.52
  6. Step 6: Final answer
    x = 7,879.29

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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.