Home / 19,215.42-26,517.47-10,718.31

Finding the Fourth Proportional to 19,215.42, 26,517.47 and 10,718.31

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Solution

The fourth proportional to 19,215.42, 26,517.47 and 10,718.31 is: 14,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.42 : 26,517.47 = 10,718.31 : x
  2. Step 2: Convert to fraction form
    19,215.42/26,517.47 = 10,718.31/x
  3. Step 3: Cross multiply
    19,215.42x = 26,517.47 × 10,718.31
  4. Step 4: Simplify right side
    19,215.42x = 284,222,463.88
  5. Step 5: Solve for x
    x = 284,222,463.88/19,215.42
  6. Step 6: Final answer
    x = 14,791.37

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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.