Home / 10,631.52-15,922.98-5,088.76

Finding the Fourth Proportional to 10,631.52, 15,922.98 and 5,088.76

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Solution

The fourth proportional to 10,631.52, 15,922.98 and 5,088.76 is: 7,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.52 : 15,922.98 = 5,088.76 : x
  2. Step 2: Convert to fraction form
    10,631.52/15,922.98 = 5,088.76/x
  3. Step 3: Cross multiply
    10,631.52x = 15,922.98 × 5,088.76
  4. Step 4: Simplify right side
    10,631.52x = 81,028,183.90
  5. Step 5: Solve for x
    x = 81,028,183.90/10,631.52
  6. Step 6: Final answer
    x = 7,621.51

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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.