Home / 17,689.55-26,530.92-6,870.28

Finding the Fourth Proportional to 17,689.55, 26,530.92 and 6,870.28

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Solution

The fourth proportional to 17,689.55, 26,530.92 and 6,870.28 is: 10,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689.55 : 26,530.92 = 6,870.28 : x
  2. Step 2: Convert to fraction form
    17,689.55/26,530.92 = 6,870.28/x
  3. Step 3: Cross multiply
    17,689.55x = 26,530.92 × 6,870.28
  4. Step 4: Simplify right side
    17,689.55x = 182,274,849.06
  5. Step 5: Solve for x
    x = 182,274,849.06/17,689.55
  6. Step 6: Final answer
    x = 10,304.10

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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.