Home / 9,977.16-14,965.80-2,581.11

Finding the Fourth Proportional to 9,977.16, 14,965.80 and 2,581.11

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Solution

The fourth proportional to 9,977.16, 14,965.80 and 2,581.11 is: 3,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.16 : 14,965.80 = 2,581.11 : x
  2. Step 2: Convert to fraction form
    9,977.16/14,965.80 = 2,581.11/x
  3. Step 3: Cross multiply
    9,977.16x = 14,965.80 × 2,581.11
  4. Step 4: Simplify right side
    9,977.16x = 38,628,376.04
  5. Step 5: Solve for x
    x = 38,628,376.04/9,977.16
  6. Step 6: Final answer
    x = 3,871.68

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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.