Home / 9,998.29-14,991.63-3,422.71

Finding the Fourth Proportional to 9,998.29, 14,991.63 and 3,422.71

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Solution

The fourth proportional to 9,998.29, 14,991.63 and 3,422.71 is: 5,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,998.29 : 14,991.63 = 3,422.71 : x
  2. Step 2: Convert to fraction form
    9,998.29/14,991.63 = 3,422.71/x
  3. Step 3: Cross multiply
    9,998.29x = 14,991.63 × 3,422.71
  4. Step 4: Simplify right side
    9,998.29x = 51,312,001.92
  5. Step 5: Solve for x
    x = 51,312,001.92/9,998.29
  6. Step 6: Final answer
    x = 5,132.08

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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.