Home / 15,390.58-23,086.06-5,529.86

Finding the Fourth Proportional to 15,390.58, 23,086.06 and 5,529.86

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Solution

The fourth proportional to 15,390.58, 23,086.06 and 5,529.86 is: 8,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.58 : 23,086.06 = 5,529.86 : x
  2. Step 2: Convert to fraction form
    15,390.58/23,086.06 = 5,529.86/x
  3. Step 3: Cross multiply
    15,390.58x = 23,086.06 × 5,529.86
  4. Step 4: Simplify right side
    15,390.58x = 127,662,679.75
  5. Step 5: Solve for x
    x = 127,662,679.75/15,390.58
  6. Step 6: Final answer
    x = 8,294.86

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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.