Home / 10,451.64-15,677.40-2,661.06

Finding the Fourth Proportional to 10,451.64, 15,677.40 and 2,661.06

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Solution

The fourth proportional to 10,451.64, 15,677.40 and 2,661.06 is: 3,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.64 : 15,677.40 = 2,661.06 : x
  2. Step 2: Convert to fraction form
    10,451.64/15,677.40 = 2,661.06/x
  3. Step 3: Cross multiply
    10,451.64x = 15,677.40 × 2,661.06
  4. Step 4: Simplify right side
    10,451.64x = 41,718,502.04
  5. Step 5: Solve for x
    x = 41,718,502.04/10,451.64
  6. Step 6: Final answer
    x = 3,991.57

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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.