Home / 17,979.64-24,813.75-10,811.89

Finding the Fourth Proportional to 17,979.64, 24,813.75 and 10,811.89

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Solution

The fourth proportional to 17,979.64, 24,813.75 and 10,811.89 is: 14,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979.64 : 24,813.75 = 10,811.89 : x
  2. Step 2: Convert to fraction form
    17,979.64/24,813.75 = 10,811.89/x
  3. Step 3: Cross multiply
    17,979.64x = 24,813.75 × 10,811.89
  4. Step 4: Simplify right side
    17,979.64x = 268,283,535.49
  5. Step 5: Solve for x
    x = 268,283,535.49/17,979.64
  6. Step 6: Final answer
    x = 14,921.52

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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.