Home / 12,256.97-18,388.76-3,492.63

Finding the Fourth Proportional to 12,256.97, 18,388.76 and 3,492.63

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Solution

The fourth proportional to 12,256.97, 18,388.76 and 3,492.63 is: 5,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.97 : 18,388.76 = 3,492.63 : x
  2. Step 2: Convert to fraction form
    12,256.97/18,388.76 = 3,492.63/x
  3. Step 3: Cross multiply
    12,256.97x = 18,388.76 × 3,492.63
  4. Step 4: Simplify right side
    12,256.97x = 64,225,117.38
  5. Step 5: Solve for x
    x = 64,225,117.38/12,256.97
  6. Step 6: Final answer
    x = 5,239.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.