Home / 22,345.92-33,518.76-5,478.72

Finding the Fourth Proportional to 22,345.92, 33,518.76 and 5,478.72

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Solution

The fourth proportional to 22,345.92, 33,518.76 and 5,478.72 is: 8,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.92 : 33,518.76 = 5,478.72 : x
  2. Step 2: Convert to fraction form
    22,345.92/33,518.76 = 5,478.72/x
  3. Step 3: Cross multiply
    22,345.92x = 33,518.76 × 5,478.72
  4. Step 4: Simplify right side
    22,345.92x = 183,639,900.79
  5. Step 5: Solve for x
    x = 183,639,900.79/22,345.92
  6. Step 6: Final answer
    x = 8,218.05

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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.