Home / 17,421.44-26,143.11-7,426.17

Finding the Fourth Proportional to 17,421.44, 26,143.11 and 7,426.17

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Solution

The fourth proportional to 17,421.44, 26,143.11 and 7,426.17 is: 11,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,421.44 : 26,143.11 = 7,426.17 : x
  2. Step 2: Convert to fraction form
    17,421.44/26,143.11 = 7,426.17/x
  3. Step 3: Cross multiply
    17,421.44x = 26,143.11 × 7,426.17
  4. Step 4: Simplify right side
    17,421.44x = 194,143,179.19
  5. Step 5: Solve for x
    x = 194,143,179.19/17,421.44
  6. Step 6: Final answer
    x = 11,143.93

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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.