Home / 18,717.06-25,808.54-12,752.22

Finding the Fourth Proportional to 18,717.06, 25,808.54 and 12,752.22

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Solution

The fourth proportional to 18,717.06, 25,808.54 and 12,752.22 is: 17,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.06 : 25,808.54 = 12,752.22 : x
  2. Step 2: Convert to fraction form
    18,717.06/25,808.54 = 12,752.22/x
  3. Step 3: Cross multiply
    18,717.06x = 25,808.54 × 12,752.22
  4. Step 4: Simplify right side
    18,717.06x = 329,116,179.96
  5. Step 5: Solve for x
    x = 329,116,179.96/18,717.06
  6. Step 6: Final answer
    x = 17,583.75

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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.