Home / 15,924.40-23,842.80-8,117.68

Finding the Fourth Proportional to 15,924.40, 23,842.80 and 8,117.68

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Solution

The fourth proportional to 15,924.40, 23,842.80 and 8,117.68 is: 12,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.40 : 23,842.80 = 8,117.68 : x
  2. Step 2: Convert to fraction form
    15,924.40/23,842.80 = 8,117.68/x
  3. Step 3: Cross multiply
    15,924.40x = 23,842.80 × 8,117.68
  4. Step 4: Simplify right side
    15,924.40x = 193,548,220.70
  5. Step 5: Solve for x
    x = 193,548,220.70/15,924.40
  6. Step 6: Final answer
    x = 12,154.19

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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.