Home / 18,440.19-25,450.78-10,886.08

Finding the Fourth Proportional to 18,440.19, 25,450.78 and 10,886.08

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Solution

The fourth proportional to 18,440.19, 25,450.78 and 10,886.08 is: 15,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.19 : 25,450.78 = 10,886.08 : x
  2. Step 2: Convert to fraction form
    18,440.19/25,450.78 = 10,886.08/x
  3. Step 3: Cross multiply
    18,440.19x = 25,450.78 × 10,886.08
  4. Step 4: Simplify right side
    18,440.19x = 277,059,136.30
  5. Step 5: Solve for x
    x = 277,059,136.30/18,440.19
  6. Step 6: Final answer
    x = 15,024.74

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Half scale
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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.