Home / 11,119.42-15,348.70-6,873.74

Finding the Fourth Proportional to 11,119.42, 15,348.70 and 6,873.74

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Solution

The fourth proportional to 11,119.42, 15,348.70 and 6,873.74 is: 9,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.42 : 15,348.70 = 6,873.74 : x
  2. Step 2: Convert to fraction form
    11,119.42/15,348.70 = 6,873.74/x
  3. Step 3: Cross multiply
    11,119.42x = 15,348.70 × 6,873.74
  4. Step 4: Simplify right side
    11,119.42x = 105,502,879.21
  5. Step 5: Solve for x
    x = 105,502,879.21/11,119.42
  6. Step 6: Final answer
    x = 9,488.17

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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.