Home / 14,948.61-20,627.78-8,233.71

Finding the Fourth Proportional to 14,948.61, 20,627.78 and 8,233.71

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Solution

The fourth proportional to 14,948.61, 20,627.78 and 8,233.71 is: 11,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.61 : 20,627.78 = 8,233.71 : x
  2. Step 2: Convert to fraction form
    14,948.61/20,627.78 = 8,233.71/x
  3. Step 3: Cross multiply
    14,948.61x = 20,627.78 × 8,233.71
  4. Step 4: Simplify right side
    14,948.61x = 169,843,117.30
  5. Step 5: Solve for x
    x = 169,843,117.30/14,948.61
  6. Step 6: Final answer
    x = 11,361.80

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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.