Home / 12,566.38-18,842.39-5,164.75

Finding the Fourth Proportional to 12,566.38, 18,842.39 and 5,164.75

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Solution

The fourth proportional to 12,566.38, 18,842.39 and 5,164.75 is: 7,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.38 : 18,842.39 = 5,164.75 : x
  2. Step 2: Convert to fraction form
    12,566.38/18,842.39 = 5,164.75/x
  3. Step 3: Cross multiply
    12,566.38x = 18,842.39 × 5,164.75
  4. Step 4: Simplify right side
    12,566.38x = 97,316,246.66
  5. Step 5: Solve for x
    x = 97,316,246.66/12,566.38
  6. Step 6: Final answer
    x = 7,744.18

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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.