Home / 17,770.29-26,654.35-5,290.35

Finding the Fourth Proportional to 17,770.29, 26,654.35 and 5,290.35

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Solution

The fourth proportional to 17,770.29, 26,654.35 and 5,290.35 is: 7,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,770.29 : 26,654.35 = 5,290.35 : x
  2. Step 2: Convert to fraction form
    17,770.29/26,654.35 = 5,290.35/x
  3. Step 3: Cross multiply
    17,770.29x = 26,654.35 × 5,290.35
  4. Step 4: Simplify right side
    17,770.29x = 141,010,680.80
  5. Step 5: Solve for x
    x = 141,010,680.80/17,770.29
  6. Step 6: Final answer
    x = 7,935.20

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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.