Home / 22,345.20-33,516.72-8,305.20

Finding the Fourth Proportional to 22,345.20, 33,516.72 and 8,305.20

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Solution

The fourth proportional to 22,345.20, 33,516.72 and 8,305.20 is: 12,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.20 : 33,516.72 = 8,305.20 : x
  2. Step 2: Convert to fraction form
    22,345.20/33,516.72 = 8,305.20/x
  3. Step 3: Cross multiply
    22,345.20x = 33,516.72 × 8,305.20
  4. Step 4: Simplify right side
    22,345.20x = 278,363,062.94
  5. Step 5: Solve for x
    x = 278,363,062.94/22,345.20
  6. Step 6: Final answer
    x = 12,457.40

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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.