Home / 9,977.61-14,965.19-2,581.45

Finding the Fourth Proportional to 9,977.61, 14,965.19 and 2,581.45

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Solution

The fourth proportional to 9,977.61, 14,965.19 and 2,581.45 is: 3,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.61 : 14,965.19 = 2,581.45 : x
  2. Step 2: Convert to fraction form
    9,977.61/14,965.19 = 2,581.45/x
  3. Step 3: Cross multiply
    9,977.61x = 14,965.19 × 2,581.45
  4. Step 4: Simplify right side
    9,977.61x = 38,631,876.82
  5. Step 5: Solve for x
    x = 38,631,876.82/9,977.61
  6. Step 6: Final answer
    x = 3,871.86

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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.