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Finding the Fourth Proportional to 14,044.65, 21,066.61 and 5,724.63

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Solution

The fourth proportional to 14,044.65, 21,066.61 and 5,724.63 is: 8,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.65 : 21,066.61 = 5,724.63 : x
  2. Step 2: Convert to fraction form
    14,044.65/21,066.61 = 5,724.63/x
  3. Step 3: Cross multiply
    14,044.65x = 21,066.61 × 5,724.63
  4. Step 4: Simplify right side
    14,044.65x = 120,598,547.60
  5. Step 5: Solve for x
    x = 120,598,547.60/14,044.65
  6. Step 6: Final answer
    x = 8,586.80

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Similar ratio
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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.