Home / 18,114.60-27,158.40-9,355.80

Finding the Fourth Proportional to 18,114.60, 27,158.40 and 9,355.80

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Solution

The fourth proportional to 18,114.60, 27,158.40 and 9,355.80 is: 14,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.60 : 27,158.40 = 9,355.80 : x
  2. Step 2: Convert to fraction form
    18,114.60/27,158.40 = 9,355.80/x
  3. Step 3: Cross multiply
    18,114.60x = 27,158.40 × 9,355.80
  4. Step 4: Simplify right side
    18,114.60x = 254,088,558.72
  5. Step 5: Solve for x
    x = 254,088,558.72/18,114.60
  6. Step 6: Final answer
    x = 14,026.73

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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.