Home / 16,036.88-22,130.80-8,963.28

Finding the Fourth Proportional to 16,036.88, 22,130.80 and 8,963.28

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Solution

The fourth proportional to 16,036.88, 22,130.80 and 8,963.28 is: 12,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,036.88 : 22,130.80 = 8,963.28 : x
  2. Step 2: Convert to fraction form
    16,036.88/22,130.80 = 8,963.28/x
  3. Step 3: Cross multiply
    16,036.88x = 22,130.80 × 8,963.28
  4. Step 4: Simplify right side
    16,036.88x = 198,364,557.02
  5. Step 5: Solve for x
    x = 198,364,557.02/16,036.88
  6. Step 6: Final answer
    x = 12,369.27

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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.