Home / 15,478.89-23,211.35-4,382.94

Finding the Fourth Proportional to 15,478.89, 23,211.35 and 4,382.94

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Solution

The fourth proportional to 15,478.89, 23,211.35 and 4,382.94 is: 6,572.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.89 : 23,211.35 = 4,382.94 : x
  2. Step 2: Convert to fraction form
    15,478.89/23,211.35 = 4,382.94/x
  3. Step 3: Cross multiply
    15,478.89x = 23,211.35 × 4,382.94
  4. Step 4: Simplify right side
    15,478.89x = 101,733,954.37
  5. Step 5: Solve for x
    x = 101,733,954.37/15,478.89
  6. Step 6: Final answer
    x = 6,572.43

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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.