Home / 14,291.75-21,439.11-3,903.50

Finding the Fourth Proportional to 14,291.75, 21,439.11 and 3,903.50

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Solution

The fourth proportional to 14,291.75, 21,439.11 and 3,903.50 is: 5,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.75 : 21,439.11 = 3,903.50 : x
  2. Step 2: Convert to fraction form
    14,291.75/21,439.11 = 3,903.50/x
  3. Step 3: Cross multiply
    14,291.75x = 21,439.11 × 3,903.50
  4. Step 4: Simplify right side
    14,291.75x = 83,687,565.89
  5. Step 5: Solve for x
    x = 83,687,565.89/14,291.75
  6. Step 6: Final answer
    x = 5,855.66

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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.