Home / 17,869.34-26,806.75-5,387.71

Finding the Fourth Proportional to 17,869.34, 26,806.75 and 5,387.71

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Solution

The fourth proportional to 17,869.34, 26,806.75 and 5,387.71 is: 8,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.34 : 26,806.75 = 5,387.71 : x
  2. Step 2: Convert to fraction form
    17,869.34/26,806.75 = 5,387.71/x
  3. Step 3: Cross multiply
    17,869.34x = 26,806.75 × 5,387.71
  4. Step 4: Simplify right side
    17,869.34x = 144,426,995.04
  5. Step 5: Solve for x
    x = 144,426,995.04/17,869.34
  6. Step 6: Final answer
    x = 8,082.39

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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.