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Finding the Fourth Proportional to 14,616.61, 21,926.07 and 4,086.69

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Solution

The fourth proportional to 14,616.61, 21,926.07 and 4,086.69 is: 6,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,616.61 : 21,926.07 = 4,086.69 : x
  2. Step 2: Convert to fraction form
    14,616.61/21,926.07 = 4,086.69/x
  3. Step 3: Cross multiply
    14,616.61x = 21,926.07 × 4,086.69
  4. Step 4: Simplify right side
    14,616.61x = 89,605,142.29
  5. Step 5: Solve for x
    x = 89,605,142.29/14,616.61
  6. Step 6: Final answer
    x = 6,130.37

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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.