Home / 15,677.18-23,515.78-5,288.94

Finding the Fourth Proportional to 15,677.18, 23,515.78 and 5,288.94

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Solution

The fourth proportional to 15,677.18, 23,515.78 and 5,288.94 is: 7,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.18 : 23,515.78 = 5,288.94 : x
  2. Step 2: Convert to fraction form
    15,677.18/23,515.78 = 5,288.94/x
  3. Step 3: Cross multiply
    15,677.18x = 23,515.78 × 5,288.94
  4. Step 4: Simplify right side
    15,677.18x = 124,373,549.47
  5. Step 5: Solve for x
    x = 124,373,549.47/15,677.18
  6. Step 6: Final answer
    x = 7,933.41

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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.