Home / 18,166.60-27,254.40-8,303.80

Finding the Fourth Proportional to 18,166.60, 27,254.40 and 8,303.80

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Solution

The fourth proportional to 18,166.60, 27,254.40 and 8,303.80 is: 12,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.60 : 27,254.40 = 8,303.80 : x
  2. Step 2: Convert to fraction form
    18,166.60/27,254.40 = 8,303.80/x
  3. Step 3: Cross multiply
    18,166.60x = 27,254.40 × 8,303.80
  4. Step 4: Simplify right side
    18,166.60x = 226,315,086.72
  5. Step 5: Solve for x
    x = 226,315,086.72/18,166.60
  6. Step 6: Final answer
    x = 12,457.76

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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.