Home / 13,948.41-20,923.02-4,087.70

Finding the Fourth Proportional to 13,948.41, 20,923.02 and 4,087.70

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Solution

The fourth proportional to 13,948.41, 20,923.02 and 4,087.70 is: 6,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.41 : 20,923.02 = 4,087.70 : x
  2. Step 2: Convert to fraction form
    13,948.41/20,923.02 = 4,087.70/x
  3. Step 3: Cross multiply
    13,948.41x = 20,923.02 × 4,087.70
  4. Step 4: Simplify right side
    13,948.41x = 85,526,924.24
  5. Step 5: Solve for x
    x = 85,526,924.24/13,948.41
  6. Step 6: Final answer
    x = 6,131.66

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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.