Home / 18,946.95-26,149.23-15,754.75

Finding the Fourth Proportional to 18,946.95, 26,149.23 and 15,754.75

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Solution

The fourth proportional to 18,946.95, 26,149.23 and 15,754.75 is: 21,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.95 : 26,149.23 = 15,754.75 : x
  2. Step 2: Convert to fraction form
    18,946.95/26,149.23 = 15,754.75/x
  3. Step 3: Cross multiply
    18,946.95x = 26,149.23 × 15,754.75
  4. Step 4: Simplify right side
    18,946.95x = 411,974,502.57
  5. Step 5: Solve for x
    x = 411,974,502.57/18,946.95
  6. Step 6: Final answer
    x = 21,743.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.