Home / 15,296.92-22,908.34-7,780.72

Finding the Fourth Proportional to 15,296.92, 22,908.34 and 7,780.72

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Solution

The fourth proportional to 15,296.92, 22,908.34 and 7,780.72 is: 11,652.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,296.92 : 22,908.34 = 7,780.72 : x
  2. Step 2: Convert to fraction form
    15,296.92/22,908.34 = 7,780.72/x
  3. Step 3: Cross multiply
    15,296.92x = 22,908.34 × 7,780.72
  4. Step 4: Simplify right side
    15,296.92x = 178,243,379.20
  5. Step 5: Solve for x
    x = 178,243,379.20/15,296.92
  6. Step 6: Final answer
    x = 11,652.24

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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.