Home / 10,382.95-15,572.09-2,985.76

Finding the Fourth Proportional to 10,382.95, 15,572.09 and 2,985.76

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Solution

The fourth proportional to 10,382.95, 15,572.09 and 2,985.76 is: 4,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.95 : 15,572.09 = 2,985.76 : x
  2. Step 2: Convert to fraction form
    10,382.95/15,572.09 = 2,985.76/x
  3. Step 3: Cross multiply
    10,382.95x = 15,572.09 × 2,985.76
  4. Step 4: Simplify right side
    10,382.95x = 46,494,523.44
  5. Step 5: Solve for x
    x = 46,494,523.44/10,382.95
  6. Step 6: Final answer
    x = 4,477.97

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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.