Home / 16,488.54-22,755.30-9,315.97

Finding the Fourth Proportional to 16,488.54, 22,755.30 and 9,315.97

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Solution

The fourth proportional to 16,488.54, 22,755.30 and 9,315.97 is: 12,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.54 : 22,755.30 = 9,315.97 : x
  2. Step 2: Convert to fraction form
    16,488.54/22,755.30 = 9,315.97/x
  3. Step 3: Cross multiply
    16,488.54x = 22,755.30 × 9,315.97
  4. Step 4: Simplify right side
    16,488.54x = 211,987,692.14
  5. Step 5: Solve for x
    x = 211,987,692.14/16,488.54
  6. Step 6: Final answer
    x = 12,856.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.