Home / 13,026.95-17,983.39-8,727.44

Finding the Fourth Proportional to 13,026.95, 17,983.39 and 8,727.44

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Solution

The fourth proportional to 13,026.95, 17,983.39 and 8,727.44 is: 12,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.95 : 17,983.39 = 8,727.44 : x
  2. Step 2: Convert to fraction form
    13,026.95/17,983.39 = 8,727.44/x
  3. Step 3: Cross multiply
    13,026.95x = 17,983.39 × 8,727.44
  4. Step 4: Simplify right side
    13,026.95x = 156,948,969.45
  5. Step 5: Solve for x
    x = 156,948,969.45/13,026.95
  6. Step 6: Final answer
    x = 12,048.02

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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.