Home / 15,764.16-23,649.60-5,382.72

Finding the Fourth Proportional to 15,764.16, 23,649.60 and 5,382.72

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Solution

The fourth proportional to 15,764.16, 23,649.60 and 5,382.72 is: 8,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,764.16 : 23,649.60 = 5,382.72 : x
  2. Step 2: Convert to fraction form
    15,764.16/23,649.60 = 5,382.72/x
  3. Step 3: Cross multiply
    15,764.16x = 23,649.60 × 5,382.72
  4. Step 4: Simplify right side
    15,764.16x = 127,299,174.91
  5. Step 5: Solve for x
    x = 127,299,174.91/15,764.16
  6. Step 6: Final answer
    x = 8,075.23

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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.