Home / 12,282.89-18,425.02-3,518.49

Finding the Fourth Proportional to 12,282.89, 18,425.02 and 3,518.49

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Solution

The fourth proportional to 12,282.89, 18,425.02 and 3,518.49 is: 5,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.89 : 18,425.02 = 3,518.49 : x
  2. Step 2: Convert to fraction form
    12,282.89/18,425.02 = 3,518.49/x
  3. Step 3: Cross multiply
    12,282.89x = 18,425.02 × 3,518.49
  4. Step 4: Simplify right side
    12,282.89x = 64,828,211.87
  5. Step 5: Solve for x
    x = 64,828,211.87/12,282.89
  6. Step 6: Final answer
    x = 5,277.93

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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.