Home / 18,309.22-27,461.40-5,162.65

Finding the Fourth Proportional to 18,309.22, 27,461.40 and 5,162.65

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Solution

The fourth proportional to 18,309.22, 27,461.40 and 5,162.65 is: 7,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.22 : 27,461.40 = 5,162.65 : x
  2. Step 2: Convert to fraction form
    18,309.22/27,461.40 = 5,162.65/x
  3. Step 3: Cross multiply
    18,309.22x = 27,461.40 × 5,162.65
  4. Step 4: Simplify right side
    18,309.22x = 141,773,596.71
  5. Step 5: Solve for x
    x = 141,773,596.71/18,309.22
  6. Step 6: Final answer
    x = 7,743.29

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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.