Home / 19,247.46-28,874.10-8,154.20

Finding the Fourth Proportional to 19,247.46, 28,874.10 and 8,154.20

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Solution

The fourth proportional to 19,247.46, 28,874.10 and 8,154.20 is: 12,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.46 : 28,874.10 = 8,154.20 : x
  2. Step 2: Convert to fraction form
    19,247.46/28,874.10 = 8,154.20/x
  3. Step 3: Cross multiply
    19,247.46x = 28,874.10 × 8,154.20
  4. Step 4: Simplify right side
    19,247.46x = 235,445,186.22
  5. Step 5: Solve for x
    x = 235,445,186.22/19,247.46
  6. Step 6: Final answer
    x = 12,232.53

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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.