Home / 13,299.28-19,955.65-8,859.97

Finding the Fourth Proportional to 13,299.28, 19,955.65 and 8,859.97

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Solution

The fourth proportional to 13,299.28, 19,955.65 and 8,859.97 is: 13,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.28 : 19,955.65 = 8,859.97 : x
  2. Step 2: Convert to fraction form
    13,299.28/19,955.65 = 8,859.97/x
  3. Step 3: Cross multiply
    13,299.28x = 19,955.65 × 8,859.97
  4. Step 4: Simplify right side
    13,299.28x = 176,806,460.33
  5. Step 5: Solve for x
    x = 176,806,460.33/13,299.28
  6. Step 6: Final answer
    x = 13,294.44

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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.