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Finding the Fourth Proportional to 14,685.84, 22,026.74 and 4,156.65

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Solution

The fourth proportional to 14,685.84, 22,026.74 and 4,156.65 is: 6,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.84 : 22,026.74 = 4,156.65 : x
  2. Step 2: Convert to fraction form
    14,685.84/22,026.74 = 4,156.65/x
  3. Step 3: Cross multiply
    14,685.84x = 22,026.74 × 4,156.65
  4. Step 4: Simplify right side
    14,685.84x = 91,557,428.04
  5. Step 5: Solve for x
    x = 91,557,428.04/14,685.84
  6. Step 6: Final answer
    x = 6,234.40

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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.