Home / 17,986.60-26,979.90-6,298.30

Finding the Fourth Proportional to 17,986.60, 26,979.90 and 6,298.30

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Solution

The fourth proportional to 17,986.60, 26,979.90 and 6,298.30 is: 9,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.60 : 26,979.90 = 6,298.30 : x
  2. Step 2: Convert to fraction form
    17,986.60/26,979.90 = 6,298.30/x
  3. Step 3: Cross multiply
    17,986.60x = 26,979.90 × 6,298.30
  4. Step 4: Simplify right side
    17,986.60x = 169,927,504.17
  5. Step 5: Solve for x
    x = 169,927,504.17/17,986.60
  6. Step 6: Final answer
    x = 9,447.45

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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.