Home / 10,620.09-15,932.07-4,376.70

Finding the Fourth Proportional to 10,620.09, 15,932.07 and 4,376.70

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Solution

The fourth proportional to 10,620.09, 15,932.07 and 4,376.70 is: 6,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.09 : 15,932.07 = 4,376.70 : x
  2. Step 2: Convert to fraction form
    10,620.09/15,932.07 = 4,376.70/x
  3. Step 3: Cross multiply
    10,620.09x = 15,932.07 × 4,376.70
  4. Step 4: Simplify right side
    10,620.09x = 69,729,890.77
  5. Step 5: Solve for x
    x = 69,729,890.77/10,620.09
  6. Step 6: Final answer
    x = 6,565.85

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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.