Home / 17,818.36-26,748.23-10,428.12

Finding the Fourth Proportional to 17,818.36, 26,748.23 and 10,428.12

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Solution

The fourth proportional to 17,818.36, 26,748.23 and 10,428.12 is: 15,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.36 : 26,748.23 = 10,428.12 : x
  2. Step 2: Convert to fraction form
    17,818.36/26,748.23 = 10,428.12/x
  3. Step 3: Cross multiply
    17,818.36x = 26,748.23 × 10,428.12
  4. Step 4: Simplify right side
    17,818.36x = 278,933,700.09
  5. Step 5: Solve for x
    x = 278,933,700.09/17,818.36
  6. Step 6: Final answer
    x = 15,654.29

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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.