Home / 19,340.02-26,687.21-11,381.77

Finding the Fourth Proportional to 19,340.02, 26,687.21 and 11,381.77

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Solution

The fourth proportional to 19,340.02, 26,687.21 and 11,381.77 is: 15,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.02 : 26,687.21 = 11,381.77 : x
  2. Step 2: Convert to fraction form
    19,340.02/26,687.21 = 11,381.77/x
  3. Step 3: Cross multiply
    19,340.02x = 26,687.21 × 11,381.77
  4. Step 4: Simplify right side
    19,340.02x = 303,747,552.73
  5. Step 5: Solve for x
    x = 303,747,552.73/19,340.02
  6. Step 6: Final answer
    x = 15,705.65

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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.