Home / 14,144.79-21,217.19-4,284.05

Finding the Fourth Proportional to 14,144.79, 21,217.19 and 4,284.05

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Solution

The fourth proportional to 14,144.79, 21,217.19 and 4,284.05 is: 6,426.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.79 : 21,217.19 = 4,284.05 : x
  2. Step 2: Convert to fraction form
    14,144.79/21,217.19 = 4,284.05/x
  3. Step 3: Cross multiply
    14,144.79x = 21,217.19 × 4,284.05
  4. Step 4: Simplify right side
    14,144.79x = 90,895,502.82
  5. Step 5: Solve for x
    x = 90,895,502.82/14,144.79
  6. Step 6: Final answer
    x = 6,426.08

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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.