Home / 15,005.16-22,507.76-3,911.85

Finding the Fourth Proportional to 15,005.16, 22,507.76 and 3,911.85

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Solution

The fourth proportional to 15,005.16, 22,507.76 and 3,911.85 is: 5,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.16 : 22,507.76 = 3,911.85 : x
  2. Step 2: Convert to fraction form
    15,005.16/22,507.76 = 3,911.85/x
  3. Step 3: Cross multiply
    15,005.16x = 22,507.76 × 3,911.85
  4. Step 4: Simplify right side
    15,005.16x = 88,046,980.96
  5. Step 5: Solve for x
    x = 88,046,980.96/15,005.16
  6. Step 6: Final answer
    x = 5,867.78

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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.