Home / 9,980.04-14,970.06-5,540.43

Finding the Fourth Proportional to 9,980.04, 14,970.06 and 5,540.43

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Solution

The fourth proportional to 9,980.04, 14,970.06 and 5,540.43 is: 8,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.04 : 14,970.06 = 5,540.43 : x
  2. Step 2: Convert to fraction form
    9,980.04/14,970.06 = 5,540.43/x
  3. Step 3: Cross multiply
    9,980.04x = 14,970.06 × 5,540.43
  4. Step 4: Simplify right side
    9,980.04x = 82,940,569.53
  5. Step 5: Solve for x
    x = 82,940,569.53/9,980.04
  6. Step 6: Final answer
    x = 8,310.65

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Similar ratio
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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.