Home / 12,614.74-18,913.40-5,590.92

Finding the Fourth Proportional to 12,614.74, 18,913.40 and 5,590.92

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Solution

The fourth proportional to 12,614.74, 18,913.40 and 5,590.92 is: 8,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.74 : 18,913.40 = 5,590.92 : x
  2. Step 2: Convert to fraction form
    12,614.74/18,913.40 = 5,590.92/x
  3. Step 3: Cross multiply
    12,614.74x = 18,913.40 × 5,590.92
  4. Step 4: Simplify right side
    12,614.74x = 105,743,370.26
  5. Step 5: Solve for x
    x = 105,743,370.26/12,614.74
  6. Step 6: Final answer
    x = 8,382.53

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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.