Home / 12,525.84-18,790.59-3,761.45

Finding the Fourth Proportional to 12,525.84, 18,790.59 and 3,761.45

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Solution

The fourth proportional to 12,525.84, 18,790.59 and 3,761.45 is: 5,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.84 : 18,790.59 = 3,761.45 : x
  2. Step 2: Convert to fraction form
    12,525.84/18,790.59 = 3,761.45/x
  3. Step 3: Cross multiply
    12,525.84x = 18,790.59 × 3,761.45
  4. Step 4: Simplify right side
    12,525.84x = 70,679,770.80
  5. Step 5: Solve for x
    x = 70,679,770.80/12,525.84
  6. Step 6: Final answer
    x = 5,642.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.