Home / 18,695.24-25,798.98-10,311.56

Finding the Fourth Proportional to 18,695.24, 25,798.98 and 10,311.56

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Solution

The fourth proportional to 18,695.24, 25,798.98 and 10,311.56 is: 14,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.24 : 25,798.98 = 10,311.56 : x
  2. Step 2: Convert to fraction form
    18,695.24/25,798.98 = 10,311.56/x
  3. Step 3: Cross multiply
    18,695.24x = 25,798.98 × 10,311.56
  4. Step 4: Simplify right side
    18,695.24x = 266,027,730.21
  5. Step 5: Solve for x
    x = 266,027,730.21/18,695.24
  6. Step 6: Final answer
    x = 14,229.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.