Home / 13,592.80-20,375.43-9,210.70

Finding the Fourth Proportional to 13,592.80, 20,375.43 and 9,210.70

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Solution

The fourth proportional to 13,592.80, 20,375.43 and 9,210.70 is: 13,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.80 : 20,375.43 = 9,210.70 : x
  2. Step 2: Convert to fraction form
    13,592.80/20,375.43 = 9,210.70/x
  3. Step 3: Cross multiply
    13,592.80x = 20,375.43 × 9,210.70
  4. Step 4: Simplify right side
    13,592.80x = 187,671,973.10
  5. Step 5: Solve for x
    x = 187,671,973.10/13,592.80
  6. Step 6: Final answer
    x = 13,806.72

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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.