Home / 11,869.77-17,799.47-5,631.57

Finding the Fourth Proportional to 11,869.77, 17,799.47 and 5,631.57

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Solution

The fourth proportional to 11,869.77, 17,799.47 and 5,631.57 is: 8,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.77 : 17,799.47 = 5,631.57 : x
  2. Step 2: Convert to fraction form
    11,869.77/17,799.47 = 5,631.57/x
  3. Step 3: Cross multiply
    11,869.77x = 17,799.47 × 5,631.57
  4. Step 4: Simplify right side
    11,869.77x = 100,238,844.11
  5. Step 5: Solve for x
    x = 100,238,844.11/11,869.77
  6. Step 6: Final answer
    x = 8,444.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.