Home / 13,492.19-18,618.30-7,524.20

Finding the Fourth Proportional to 13,492.19, 18,618.30 and 7,524.20

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Solution

The fourth proportional to 13,492.19, 18,618.30 and 7,524.20 is: 10,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.19 : 18,618.30 = 7,524.20 : x
  2. Step 2: Convert to fraction form
    13,492.19/18,618.30 = 7,524.20/x
  3. Step 3: Cross multiply
    13,492.19x = 18,618.30 × 7,524.20
  4. Step 4: Simplify right side
    13,492.19x = 140,087,719.77
  5. Step 5: Solve for x
    x = 140,087,719.77/13,492.19
  6. Step 6: Final answer
    x = 10,382.88

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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.