Home / 14,638.86-20,201.13-8,350.02

Finding the Fourth Proportional to 14,638.86, 20,201.13 and 8,350.02

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Solution

The fourth proportional to 14,638.86, 20,201.13 and 8,350.02 is: 11,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.86 : 20,201.13 = 8,350.02 : x
  2. Step 2: Convert to fraction form
    14,638.86/20,201.13 = 8,350.02/x
  3. Step 3: Cross multiply
    14,638.86x = 20,201.13 × 8,350.02
  4. Step 4: Simplify right side
    14,638.86x = 168,679,839.52
  5. Step 5: Solve for x
    x = 168,679,839.52/14,638.86
  6. Step 6: Final answer
    x = 11,522.74

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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.