Home / 16,387.84-22,615.36-8,936.32

Finding the Fourth Proportional to 16,387.84, 22,615.36 and 8,936.32

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Solution

The fourth proportional to 16,387.84, 22,615.36 and 8,936.32 is: 12,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.84 : 22,615.36 = 8,936.32 : x
  2. Step 2: Convert to fraction form
    16,387.84/22,615.36 = 8,936.32/x
  3. Step 3: Cross multiply
    16,387.84x = 22,615.36 × 8,936.32
  4. Step 4: Simplify right side
    16,387.84x = 202,098,093.88
  5. Step 5: Solve for x
    x = 202,098,093.88/16,387.84
  6. Step 6: Final answer
    x = 12,332.20

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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.