Home / 19,254.28-28,892.76-8,160.16

Finding the Fourth Proportional to 19,254.28, 28,892.76 and 8,160.16

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Solution

The fourth proportional to 19,254.28, 28,892.76 and 8,160.16 is: 12,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.28 : 28,892.76 = 8,160.16 : x
  2. Step 2: Convert to fraction form
    19,254.28/28,892.76 = 8,160.16/x
  3. Step 3: Cross multiply
    19,254.28x = 28,892.76 × 8,160.16
  4. Step 4: Simplify right side
    19,254.28x = 235,769,544.44
  5. Step 5: Solve for x
    x = 235,769,544.44/19,254.28
  6. Step 6: Final answer
    x = 12,245.05

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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.