Home / 15,961.36-22,026-8,887.60

Finding the Fourth Proportional to 15,961.36, 22,026 and 8,887.60

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Solution

The fourth proportional to 15,961.36, 22,026 and 8,887.60 is: 12,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.36 : 22,026 = 8,887.60 : x
  2. Step 2: Convert to fraction form
    15,961.36/22,026 = 8,887.60/x
  3. Step 3: Cross multiply
    15,961.36x = 22,026 × 8,887.60
  4. Step 4: Simplify right side
    15,961.36x = 195,758,277.60
  5. Step 5: Solve for x
    x = 195,758,277.60/15,961.36
  6. Step 6: Final answer
    x = 12,264.51

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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.