Home / 15,818.72-23,729.40-4,724.68

Finding the Fourth Proportional to 15,818.72, 23,729.40 and 4,724.68

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Solution

The fourth proportional to 15,818.72, 23,729.40 and 4,724.68 is: 7,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.72 : 23,729.40 = 4,724.68 : x
  2. Step 2: Convert to fraction form
    15,818.72/23,729.40 = 4,724.68/x
  3. Step 3: Cross multiply
    15,818.72x = 23,729.40 × 4,724.68
  4. Step 4: Simplify right side
    15,818.72x = 112,113,821.59
  5. Step 5: Solve for x
    x = 112,113,821.59/15,818.72
  6. Step 6: Final answer
    x = 7,087.41

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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.