Home / 11,980.07-17,970.11-4,585.26

Finding the Fourth Proportional to 11,980.07, 17,970.11 and 4,585.26

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Solution

The fourth proportional to 11,980.07, 17,970.11 and 4,585.26 is: 6,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.07 : 17,970.11 = 4,585.26 : x
  2. Step 2: Convert to fraction form
    11,980.07/17,970.11 = 4,585.26/x
  3. Step 3: Cross multiply
    11,980.07x = 17,970.11 × 4,585.26
  4. Step 4: Simplify right side
    11,980.07x = 82,397,626.58
  5. Step 5: Solve for x
    x = 82,397,626.58/11,980.07
  6. Step 6: Final answer
    x = 6,877.89

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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.