Home / 19,535.71-26,963.46-12,738.22

Finding the Fourth Proportional to 19,535.71, 26,963.46 and 12,738.22

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Solution

The fourth proportional to 19,535.71, 26,963.46 and 12,738.22 is: 17,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.71 : 26,963.46 = 12,738.22 : x
  2. Step 2: Convert to fraction form
    19,535.71/26,963.46 = 12,738.22/x
  3. Step 3: Cross multiply
    19,535.71x = 26,963.46 × 12,738.22
  4. Step 4: Simplify right side
    19,535.71x = 343,466,485.44
  5. Step 5: Solve for x
    x = 343,466,485.44/19,535.71
  6. Step 6: Final answer
    x = 17,581.47

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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.