Home / 14,144.16-21,219.29-4,149.72

Finding the Fourth Proportional to 14,144.16, 21,219.29 and 4,149.72

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Solution

The fourth proportional to 14,144.16, 21,219.29 and 4,149.72 is: 6,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.16 : 21,219.29 = 4,149.72 : x
  2. Step 2: Convert to fraction form
    14,144.16/21,219.29 = 4,149.72/x
  3. Step 3: Cross multiply
    14,144.16x = 21,219.29 × 4,149.72
  4. Step 4: Simplify right side
    14,144.16x = 88,054,091.35
  5. Step 5: Solve for x
    x = 88,054,091.35/14,144.16
  6. Step 6: Final answer
    x = 6,225.47

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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.