Home / 13,402.04-18,492.60-7,432.76

Finding the Fourth Proportional to 13,402.04, 18,492.60 and 7,432.76

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Solution

The fourth proportional to 13,402.04, 18,492.60 and 7,432.76 is: 10,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.04 : 18,492.60 = 7,432.76 : x
  2. Step 2: Convert to fraction form
    13,402.04/18,492.60 = 7,432.76/x
  3. Step 3: Cross multiply
    13,402.04x = 18,492.60 × 7,432.76
  4. Step 4: Simplify right side
    13,402.04x = 137,451,057.58
  5. Step 5: Solve for x
    x = 137,451,057.58/13,402.04
  6. Step 6: Final answer
    x = 10,255.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.