Home / 14,419.50-21,618.72-9,727.85

Finding the Fourth Proportional to 14,419.50, 21,618.72 and 9,727.85

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Solution

The fourth proportional to 14,419.50, 21,618.72 and 9,727.85 is: 14,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.50 : 21,618.72 = 9,727.85 : x
  2. Step 2: Convert to fraction form
    14,419.50/21,618.72 = 9,727.85/x
  3. Step 3: Cross multiply
    14,419.50x = 21,618.72 × 9,727.85
  4. Step 4: Simplify right side
    14,419.50x = 210,303,557.26
  5. Step 5: Solve for x
    x = 210,303,557.26/14,419.50
  6. Step 6: Final answer
    x = 14,584.66

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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.