Home / 13,422.32-20,043.09-10,962.02

Finding the Fourth Proportional to 13,422.32, 20,043.09 and 10,962.02

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Solution

The fourth proportional to 13,422.32, 20,043.09 and 10,962.02 is: 16,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.32 : 20,043.09 = 10,962.02 : x
  2. Step 2: Convert to fraction form
    13,422.32/20,043.09 = 10,962.02/x
  3. Step 3: Cross multiply
    13,422.32x = 20,043.09 × 10,962.02
  4. Step 4: Simplify right side
    13,422.32x = 219,712,753.44
  5. Step 5: Solve for x
    x = 219,712,753.44/13,422.32
  6. Step 6: Final answer
    x = 16,369.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.