Home / 8,365.04-12,549.48-5,518.32

Finding the Fourth Proportional to 8,365.04, 12,549.48 and 5,518.32

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Solution

The fourth proportional to 8,365.04, 12,549.48 and 5,518.32 is: 8,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.04 : 12,549.48 = 5,518.32 : x
  2. Step 2: Convert to fraction form
    8,365.04/12,549.48 = 5,518.32/x
  3. Step 3: Cross multiply
    8,365.04x = 12,549.48 × 5,518.32
  4. Step 4: Simplify right side
    8,365.04x = 69,252,046.47
  5. Step 5: Solve for x
    x = 69,252,046.47/8,365.04
  6. Step 6: Final answer
    x = 8,278.75

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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.