Home / 16,143.84-22,277.88-9,070.56

Finding the Fourth Proportional to 16,143.84, 22,277.88 and 9,070.56

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Solution

The fourth proportional to 16,143.84, 22,277.88 and 9,070.56 is: 12,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.84 : 22,277.88 = 9,070.56 : x
  2. Step 2: Convert to fraction form
    16,143.84/22,277.88 = 9,070.56/x
  3. Step 3: Cross multiply
    16,143.84x = 22,277.88 × 9,070.56
  4. Step 4: Simplify right side
    16,143.84x = 202,072,847.21
  5. Step 5: Solve for x
    x = 202,072,847.21/16,143.84
  6. Step 6: Final answer
    x = 12,517.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.