Home / 17,679.40-26,510.78-6,426.83

Finding the Fourth Proportional to 17,679.40, 26,510.78 and 6,426.83

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Solution

The fourth proportional to 17,679.40, 26,510.78 and 6,426.83 is: 9,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.40 : 26,510.78 = 6,426.83 : x
  2. Step 2: Convert to fraction form
    17,679.40/26,510.78 = 6,426.83/x
  3. Step 3: Cross multiply
    17,679.40x = 26,510.78 × 6,426.83
  4. Step 4: Simplify right side
    17,679.40x = 170,380,173.30
  5. Step 5: Solve for x
    x = 170,380,173.30/17,679.40
  6. Step 6: Final answer
    x = 9,637.21

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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.