Home / 19,218.96-26,524.24-10,721.12

Finding the Fourth Proportional to 19,218.96, 26,524.24 and 10,721.12

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Solution

The fourth proportional to 19,218.96, 26,524.24 and 10,721.12 is: 14,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218.96 : 26,524.24 = 10,721.12 : x
  2. Step 2: Convert to fraction form
    19,218.96/26,524.24 = 10,721.12/x
  3. Step 3: Cross multiply
    19,218.96x = 26,524.24 × 10,721.12
  4. Step 4: Simplify right side
    19,218.96x = 284,369,559.95
  5. Step 5: Solve for x
    x = 284,369,559.95/19,218.96
  6. Step 6: Final answer
    x = 14,796.30

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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.