Home / 14,754.80-20,361.38-8,040.49

Finding the Fourth Proportional to 14,754.80, 20,361.38 and 8,040.49

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Solution

The fourth proportional to 14,754.80, 20,361.38 and 8,040.49 is: 11,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.80 : 20,361.38 = 8,040.49 : x
  2. Step 2: Convert to fraction form
    14,754.80/20,361.38 = 8,040.49/x
  3. Step 3: Cross multiply
    14,754.80x = 20,361.38 × 8,040.49
  4. Step 4: Simplify right side
    14,754.80x = 163,715,381.17
  5. Step 5: Solve for x
    x = 163,715,381.17/14,754.80
  6. Step 6: Final answer
    x = 11,095.74

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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.