Home / 14,753.54-20,360.40-8,039.72

Finding the Fourth Proportional to 14,753.54, 20,360.40 and 8,039.72

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Solution

The fourth proportional to 14,753.54, 20,360.40 and 8,039.72 is: 11,095.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.54 : 20,360.40 = 8,039.72 : x
  2. Step 2: Convert to fraction form
    14,753.54/20,360.40 = 8,039.72/x
  3. Step 3: Cross multiply
    14,753.54x = 20,360.40 × 8,039.72
  4. Step 4: Simplify right side
    14,753.54x = 163,691,915.09
  5. Step 5: Solve for x
    x = 163,691,915.09/14,753.54
  6. Step 6: Final answer
    x = 11,095.09

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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.