Home / 15,139.66-22,709.60-5,777.16

Finding the Fourth Proportional to 15,139.66, 22,709.60 and 5,777.16

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Solution

The fourth proportional to 15,139.66, 22,709.60 and 5,777.16 is: 8,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.66 : 22,709.60 = 5,777.16 : x
  2. Step 2: Convert to fraction form
    15,139.66/22,709.60 = 5,777.16/x
  3. Step 3: Cross multiply
    15,139.66x = 22,709.60 × 5,777.16
  4. Step 4: Simplify right side
    15,139.66x = 131,196,850.30
  5. Step 5: Solve for x
    x = 131,196,850.30/15,139.66
  6. Step 6: Final answer
    x = 8,665.77

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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.