Home / 15,499.92-23,256.36-6,742.20

Finding the Fourth Proportional to 15,499.92, 23,256.36 and 6,742.20

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Solution

The fourth proportional to 15,499.92, 23,256.36 and 6,742.20 is: 10,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.92 : 23,256.36 = 6,742.20 : x
  2. Step 2: Convert to fraction form
    15,499.92/23,256.36 = 6,742.20/x
  3. Step 3: Cross multiply
    15,499.92x = 23,256.36 × 6,742.20
  4. Step 4: Simplify right side
    15,499.92x = 156,799,030.39
  5. Step 5: Solve for x
    x = 156,799,030.39/15,499.92
  6. Step 6: Final answer
    x = 10,116.12

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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.