Home / 10,317.23-15,475.85-2,921.76

Finding the Fourth Proportional to 10,317.23, 15,475.85 and 2,921.76

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Solution

The fourth proportional to 10,317.23, 15,475.85 and 2,921.76 is: 4,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.23 : 15,475.85 = 2,921.76 : x
  2. Step 2: Convert to fraction form
    10,317.23/15,475.85 = 2,921.76/x
  3. Step 3: Cross multiply
    10,317.23x = 15,475.85 × 2,921.76
  4. Step 4: Simplify right side
    10,317.23x = 45,216,726.80
  5. Step 5: Solve for x
    x = 45,216,726.80/10,317.23
  6. Step 6: Final answer
    x = 4,382.64

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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.