Home / 14,115.18-21,172.77-3,727.02

Finding the Fourth Proportional to 14,115.18, 21,172.77 and 3,727.02

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Solution

The fourth proportional to 14,115.18, 21,172.77 and 3,727.02 is: 5,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.18 : 21,172.77 = 3,727.02 : x
  2. Step 2: Convert to fraction form
    14,115.18/21,172.77 = 3,727.02/x
  3. Step 3: Cross multiply
    14,115.18x = 21,172.77 × 3,727.02
  4. Step 4: Simplify right side
    14,115.18x = 78,911,337.25
  5. Step 5: Solve for x
    x = 78,911,337.25/14,115.18
  6. Step 6: Final answer
    x = 5,590.53

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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.