Home / 18,018.60-27,027.90-4,870.94

Finding the Fourth Proportional to 18,018.60, 27,027.90 and 4,870.94

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Solution

The fourth proportional to 18,018.60, 27,027.90 and 4,870.94 is: 7,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.60 : 27,027.90 = 4,870.94 : x
  2. Step 2: Convert to fraction form
    18,018.60/27,027.90 = 4,870.94/x
  3. Step 3: Cross multiply
    18,018.60x = 27,027.90 × 4,870.94
  4. Step 4: Simplify right side
    18,018.60x = 131,651,279.23
  5. Step 5: Solve for x
    x = 131,651,279.23/18,018.60
  6. Step 6: Final answer
    x = 7,306.41

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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.