Home / 9,966.89-14,950.14-2,571.29

Finding the Fourth Proportional to 9,966.89, 14,950.14 and 2,571.29

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Solution

The fourth proportional to 9,966.89, 14,950.14 and 2,571.29 is: 3,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.89 : 14,950.14 = 2,571.29 : x
  2. Step 2: Convert to fraction form
    9,966.89/14,950.14 = 2,571.29/x
  3. Step 3: Cross multiply
    9,966.89x = 14,950.14 × 2,571.29
  4. Step 4: Simplify right side
    9,966.89x = 38,441,117.15
  5. Step 5: Solve for x
    x = 38,441,117.15/9,966.89
  6. Step 6: Final answer
    x = 3,856.88

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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.