Home / 16,656.32-22,985.73-8,999.60

Finding the Fourth Proportional to 16,656.32, 22,985.73 and 8,999.60

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Solution

The fourth proportional to 16,656.32, 22,985.73 and 8,999.60 is: 12,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.32 : 22,985.73 = 8,999.60 : x
  2. Step 2: Convert to fraction form
    16,656.32/22,985.73 = 8,999.60/x
  3. Step 3: Cross multiply
    16,656.32x = 22,985.73 × 8,999.60
  4. Step 4: Simplify right side
    16,656.32x = 206,862,260.78
  5. Step 5: Solve for x
    x = 206,862,260.78/16,656.32
  6. Step 6: Final answer
    x = 12,419.44

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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.