Home / 15,590.80-23,398.64-8,199.60

Finding the Fourth Proportional to 15,590.80, 23,398.64 and 8,199.60

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Solution

The fourth proportional to 15,590.80, 23,398.64 and 8,199.60 is: 12,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.80 : 23,398.64 = 8,199.60 : x
  2. Step 2: Convert to fraction form
    15,590.80/23,398.64 = 8,199.60/x
  3. Step 3: Cross multiply
    15,590.80x = 23,398.64 × 8,199.60
  4. Step 4: Simplify right side
    15,590.80x = 191,859,488.54
  5. Step 5: Solve for x
    x = 191,859,488.54/15,590.80
  6. Step 6: Final answer
    x = 12,305.94

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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.