Home / 13,443.60-20,152.98-7,207.95

Finding the Fourth Proportional to 13,443.60, 20,152.98 and 7,207.95

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Solution

The fourth proportional to 13,443.60, 20,152.98 and 7,207.95 is: 10,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.60 : 20,152.98 = 7,207.95 : x
  2. Step 2: Convert to fraction form
    13,443.60/20,152.98 = 7,207.95/x
  3. Step 3: Cross multiply
    13,443.60x = 20,152.98 × 7,207.95
  4. Step 4: Simplify right side
    13,443.60x = 145,261,672.19
  5. Step 5: Solve for x
    x = 145,261,672.19/13,443.60
  6. Step 6: Final answer
    x = 10,805.27

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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.