Home / 18,184.10-27,290.72-9,421.52

Finding the Fourth Proportional to 18,184.10, 27,290.72 and 9,421.52

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Solution

The fourth proportional to 18,184.10, 27,290.72 and 9,421.52 is: 14,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.10 : 27,290.72 = 9,421.52 : x
  2. Step 2: Convert to fraction form
    18,184.10/27,290.72 = 9,421.52/x
  3. Step 3: Cross multiply
    18,184.10x = 27,290.72 × 9,421.52
  4. Step 4: Simplify right side
    18,184.10x = 257,120,064.29
  5. Step 5: Solve for x
    x = 257,120,064.29/18,184.10
  6. Step 6: Final answer
    x = 14,139.83

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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.