Home / 9,977.64-14,965.25-2,581.49

Finding the Fourth Proportional to 9,977.64, 14,965.25 and 2,581.49

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Solution

The fourth proportional to 9,977.64, 14,965.25 and 2,581.49 is: 3,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.64 : 14,965.25 = 2,581.49 : x
  2. Step 2: Convert to fraction form
    9,977.64/14,965.25 = 2,581.49/x
  3. Step 3: Cross multiply
    9,977.64x = 14,965.25 × 2,581.49
  4. Step 4: Simplify right side
    9,977.64x = 38,632,555.49
  5. Step 5: Solve for x
    x = 38,632,555.49/9,977.64
  6. Step 6: Final answer
    x = 3,871.91

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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.