Home / 15,612.32-23,408.76-7,288.76

Finding the Fourth Proportional to 15,612.32, 23,408.76 and 7,288.76

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Solution

The fourth proportional to 15,612.32, 23,408.76 and 7,288.76 is: 10,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.32 : 23,408.76 = 7,288.76 : x
  2. Step 2: Convert to fraction form
    15,612.32/23,408.76 = 7,288.76/x
  3. Step 3: Cross multiply
    15,612.32x = 23,408.76 × 7,288.76
  4. Step 4: Simplify right side
    15,612.32x = 170,620,833.54
  5. Step 5: Solve for x
    x = 170,620,833.54/15,612.32
  6. Step 6: Final answer
    x = 10,928.60

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1.5x scale

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.