Home / 15,388.08-23,123.80-8,373.28

Finding the Fourth Proportional to 15,388.08, 23,123.80 and 8,373.28

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Solution

The fourth proportional to 15,388.08, 23,123.80 and 8,373.28 is: 12,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.08 : 23,123.80 = 8,373.28 : x
  2. Step 2: Convert to fraction form
    15,388.08/23,123.80 = 8,373.28/x
  3. Step 3: Cross multiply
    15,388.08x = 23,123.80 × 8,373.28
  4. Step 4: Simplify right side
    15,388.08x = 193,622,052.06
  5. Step 5: Solve for x
    x = 193,622,052.06/15,388.08
  6. Step 6: Final answer
    x = 12,582.60

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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.