Home / 18,370.20-27,555.30-9,607.80

Finding the Fourth Proportional to 18,370.20, 27,555.30 and 9,607.80

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Solution

The fourth proportional to 18,370.20, 27,555.30 and 9,607.80 is: 14,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.20 : 27,555.30 = 9,607.80 : x
  2. Step 2: Convert to fraction form
    18,370.20/27,555.30 = 9,607.80/x
  3. Step 3: Cross multiply
    18,370.20x = 27,555.30 × 9,607.80
  4. Step 4: Simplify right side
    18,370.20x = 264,745,811.34
  5. Step 5: Solve for x
    x = 264,745,811.34/18,370.20
  6. Step 6: Final answer
    x = 14,411.70

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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.