Home / 12,518.24-18,752.52-8,345.84

Finding the Fourth Proportional to 12,518.24, 18,752.52 and 8,345.84

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Solution

The fourth proportional to 12,518.24, 18,752.52 and 8,345.84 is: 12,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.24 : 18,752.52 = 8,345.84 : x
  2. Step 2: Convert to fraction form
    12,518.24/18,752.52 = 8,345.84/x
  3. Step 3: Cross multiply
    12,518.24x = 18,752.52 × 8,345.84
  4. Step 4: Simplify right side
    12,518.24x = 156,505,531.52
  5. Step 5: Solve for x
    x = 156,505,531.52/12,518.24
  6. Step 6: Final answer
    x = 12,502.20

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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.