Home / 11,948.72-16,492.02-6,645.56

Finding the Fourth Proportional to 11,948.72, 16,492.02 and 6,645.56

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Solution

The fourth proportional to 11,948.72, 16,492.02 and 6,645.56 is: 9,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.72 : 16,492.02 = 6,645.56 : x
  2. Step 2: Convert to fraction form
    11,948.72/16,492.02 = 6,645.56/x
  3. Step 3: Cross multiply
    11,948.72x = 16,492.02 × 6,645.56
  4. Step 4: Simplify right side
    11,948.72x = 109,598,708.43
  5. Step 5: Solve for x
    x = 109,598,708.43/11,948.72
  6. Step 6: Final answer
    x = 9,172.42

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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.