Home / 10,618.28-14,654.99-6,144.65

Finding the Fourth Proportional to 10,618.28, 14,654.99 and 6,144.65

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Solution

The fourth proportional to 10,618.28, 14,654.99 and 6,144.65 is: 8,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.28 : 14,654.99 = 6,144.65 : x
  2. Step 2: Convert to fraction form
    10,618.28/14,654.99 = 6,144.65/x
  3. Step 3: Cross multiply
    10,618.28x = 14,654.99 × 6,144.65
  4. Step 4: Simplify right side
    10,618.28x = 90,049,784.30
  5. Step 5: Solve for x
    x = 90,049,784.30/10,618.28
  6. Step 6: Final answer
    x = 8,480.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.