Home / 23,119.20-31,904.50-12,508.84

Finding the Fourth Proportional to 23,119.20, 31,904.50 and 12,508.84

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Solution

The fourth proportional to 23,119.20, 31,904.50 and 12,508.84 is: 17,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.20 : 31,904.50 = 12,508.84 : x
  2. Step 2: Convert to fraction form
    23,119.20/31,904.50 = 12,508.84/x
  3. Step 3: Cross multiply
    23,119.20x = 31,904.50 × 12,508.84
  4. Step 4: Simplify right side
    23,119.20x = 399,088,221.65
  5. Step 5: Solve for x
    x = 399,088,221.65/23,119.20
  6. Step 6: Final answer
    x = 17,262.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.