Home / 11,490.13-15,862.68-6,953.65

Finding the Fourth Proportional to 11,490.13, 15,862.68 and 6,953.65

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Solution

The fourth proportional to 11,490.13, 15,862.68 and 6,953.65 is: 9,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.13 : 15,862.68 = 6,953.65 : x
  2. Step 2: Convert to fraction form
    11,490.13/15,862.68 = 6,953.65/x
  3. Step 3: Cross multiply
    11,490.13x = 15,862.68 × 6,953.65
  4. Step 4: Simplify right side
    11,490.13x = 110,303,524.78
  5. Step 5: Solve for x
    x = 110,303,524.78/11,490.13
  6. Step 6: Final answer
    x = 9,599.85

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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.