Home / 10,983.65-15,151.25-6,949.23

Finding the Fourth Proportional to 10,983.65, 15,151.25 and 6,949.23

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Solution

The fourth proportional to 10,983.65, 15,151.25 and 6,949.23 is: 9,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.65 : 15,151.25 = 6,949.23 : x
  2. Step 2: Convert to fraction form
    10,983.65/15,151.25 = 6,949.23/x
  3. Step 3: Cross multiply
    10,983.65x = 15,151.25 × 6,949.23
  4. Step 4: Simplify right side
    10,983.65x = 105,289,486.29
  5. Step 5: Solve for x
    x = 105,289,486.29/10,983.65
  6. Step 6: Final answer
    x = 9,586.02

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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.