Home / 17,926.72-26,865.47-9,143.18

Finding the Fourth Proportional to 17,926.72, 26,865.47 and 9,143.18

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Solution

The fourth proportional to 17,926.72, 26,865.47 and 9,143.18 is: 13,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,926.72 : 26,865.47 = 9,143.18 : x
  2. Step 2: Convert to fraction form
    17,926.72/26,865.47 = 9,143.18/x
  3. Step 3: Cross multiply
    17,926.72x = 26,865.47 × 9,143.18
  4. Step 4: Simplify right side
    17,926.72x = 245,635,817.27
  5. Step 5: Solve for x
    x = 245,635,817.27/17,926.72
  6. Step 6: Final answer
    x = 13,702.22

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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.