Home / 12,847.20-19,275.60-5,061.44

Finding the Fourth Proportional to 12,847.20, 19,275.60 and 5,061.44

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Solution

The fourth proportional to 12,847.20, 19,275.60 and 5,061.44 is: 7,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.20 : 19,275.60 = 5,061.44 : x
  2. Step 2: Convert to fraction form
    12,847.20/19,275.60 = 5,061.44/x
  3. Step 3: Cross multiply
    12,847.20x = 19,275.60 × 5,061.44
  4. Step 4: Simplify right side
    12,847.20x = 97,562,292.86
  5. Step 5: Solve for x
    x = 97,562,292.86/12,847.20
  6. Step 6: Final answer
    x = 7,594.05

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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.