Home / 13,885.02-20,827.78-4,524.98

Finding the Fourth Proportional to 13,885.02, 20,827.78 and 4,524.98

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Solution

The fourth proportional to 13,885.02, 20,827.78 and 4,524.98 is: 6,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.02 : 20,827.78 = 4,524.98 : x
  2. Step 2: Convert to fraction form
    13,885.02/20,827.78 = 4,524.98/x
  3. Step 3: Cross multiply
    13,885.02x = 20,827.78 × 4,524.98
  4. Step 4: Simplify right side
    13,885.02x = 94,245,287.94
  5. Step 5: Solve for x
    x = 94,245,287.94/13,885.02
  6. Step 6: Final answer
    x = 6,787.55

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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.