Home / 17,972.86-26,948.06-5,488.74

Finding the Fourth Proportional to 17,972.86, 26,948.06 and 5,488.74

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Solution

The fourth proportional to 17,972.86, 26,948.06 and 5,488.74 is: 8,229.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.86 : 26,948.06 = 5,488.74 : x
  2. Step 2: Convert to fraction form
    17,972.86/26,948.06 = 5,488.74/x
  3. Step 3: Cross multiply
    17,972.86x = 26,948.06 × 5,488.74
  4. Step 4: Simplify right side
    17,972.86x = 147,910,894.84
  5. Step 5: Solve for x
    x = 147,910,894.84/17,972.86
  6. Step 6: Final answer
    x = 8,229.68

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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.