Home / 10,732.40-16,081.32-6,619.76

Finding the Fourth Proportional to 10,732.40, 16,081.32 and 6,619.76

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Solution

The fourth proportional to 10,732.40, 16,081.32 and 6,619.76 is: 9,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,732.40 : 16,081.32 = 6,619.76 : x
  2. Step 2: Convert to fraction form
    10,732.40/16,081.32 = 6,619.76/x
  3. Step 3: Cross multiply
    10,732.40x = 16,081.32 × 6,619.76
  4. Step 4: Simplify right side
    10,732.40x = 106,454,478.88
  5. Step 5: Solve for x
    x = 106,454,478.88/10,732.40
  6. Step 6: Final answer
    x = 9,918.98

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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.