Home / 15,999.36-22,079.40-8,926.44

Finding the Fourth Proportional to 15,999.36, 22,079.40 and 8,926.44

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Solution

The fourth proportional to 15,999.36, 22,079.40 and 8,926.44 is: 12,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.36 : 22,079.40 = 8,926.44 : x
  2. Step 2: Convert to fraction form
    15,999.36/22,079.40 = 8,926.44/x
  3. Step 3: Cross multiply
    15,999.36x = 22,079.40 × 8,926.44
  4. Step 4: Simplify right side
    15,999.36x = 197,090,439.34
  5. Step 5: Solve for x
    x = 197,090,439.34/15,999.36
  6. Step 6: Final answer
    x = 12,318.65

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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.