Home / 15,805.38-23,698.32-6,788.76

Finding the Fourth Proportional to 15,805.38, 23,698.32 and 6,788.76

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Solution

The fourth proportional to 15,805.38, 23,698.32 and 6,788.76 is: 10,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.38 : 23,698.32 = 6,788.76 : x
  2. Step 2: Convert to fraction form
    15,805.38/23,698.32 = 6,788.76/x
  3. Step 3: Cross multiply
    15,805.38x = 23,698.32 × 6,788.76
  4. Step 4: Simplify right side
    15,805.38x = 160,882,206.88
  5. Step 5: Solve for x
    x = 160,882,206.88/15,805.38
  6. Step 6: Final answer
    x = 10,178.95

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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.