Home / 11,816.24-16,306.28-6,780.58

Finding the Fourth Proportional to 11,816.24, 16,306.28 and 6,780.58

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Solution

The fourth proportional to 11,816.24, 16,306.28 and 6,780.58 is: 9,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.24 : 16,306.28 = 6,780.58 : x
  2. Step 2: Convert to fraction form
    11,816.24/16,306.28 = 6,780.58/x
  3. Step 3: Cross multiply
    11,816.24x = 16,306.28 × 6,780.58
  4. Step 4: Simplify right side
    11,816.24x = 110,566,036.04
  5. Step 5: Solve for x
    x = 110,566,036.04/11,816.24
  6. Step 6: Final answer
    x = 9,357.13

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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.