Home / 12,752.77-17,591.32-8,981.41

Finding the Fourth Proportional to 12,752.77, 17,591.32 and 8,981.41

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Solution

The fourth proportional to 12,752.77, 17,591.32 and 8,981.41 is: 12,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.77 : 17,591.32 = 8,981.41 : x
  2. Step 2: Convert to fraction form
    12,752.77/17,591.32 = 8,981.41/x
  3. Step 3: Cross multiply
    12,752.77x = 17,591.32 × 8,981.41
  4. Step 4: Simplify right side
    12,752.77x = 157,994,857.36
  5. Step 5: Solve for x
    x = 157,994,857.36/12,752.77
  6. Step 6: Final answer
    x = 12,389.06

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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.