Home / 15,917.45-23,886.20-8,902.06

Finding the Fourth Proportional to 15,917.45, 23,886.20 and 8,902.06

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Solution

The fourth proportional to 15,917.45, 23,886.20 and 8,902.06 is: 13,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.45 : 23,886.20 = 8,902.06 : x
  2. Step 2: Convert to fraction form
    15,917.45/23,886.20 = 8,902.06/x
  3. Step 3: Cross multiply
    15,917.45x = 23,886.20 × 8,902.06
  4. Step 4: Simplify right side
    15,917.45x = 212,636,348.11
  5. Step 5: Solve for x
    x = 212,636,348.11/15,917.45
  6. Step 6: Final answer
    x = 13,358.69

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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.