Home / 15,217.46-22,822.54-5,221.05

Finding the Fourth Proportional to 15,217.46, 22,822.54 and 5,221.05

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Solution

The fourth proportional to 15,217.46, 22,822.54 and 5,221.05 is: 7,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.46 : 22,822.54 = 5,221.05 : x
  2. Step 2: Convert to fraction form
    15,217.46/22,822.54 = 5,221.05/x
  3. Step 3: Cross multiply
    15,217.46x = 22,822.54 × 5,221.05
  4. Step 4: Simplify right side
    15,217.46x = 119,157,508.35
  5. Step 5: Solve for x
    x = 119,157,508.35/15,217.46
  6. Step 6: Final answer
    x = 7,830.32

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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.