Home / 15,649.38-23,475.35-5,119.19

Finding the Fourth Proportional to 15,649.38, 23,475.35 and 5,119.19

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Solution

The fourth proportional to 15,649.38, 23,475.35 and 5,119.19 is: 7,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.38 : 23,475.35 = 5,119.19 : x
  2. Step 2: Convert to fraction form
    15,649.38/23,475.35 = 5,119.19/x
  3. Step 3: Cross multiply
    15,649.38x = 23,475.35 × 5,119.19
  4. Step 4: Simplify right side
    15,649.38x = 120,174,633.99
  5. Step 5: Solve for x
    x = 120,174,633.99/15,649.38
  6. Step 6: Final answer
    x = 7,679.19

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Double scale
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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.