Home / 13,994.40-19,316.23-9,217.83

Finding the Fourth Proportional to 13,994.40, 19,316.23 and 9,217.83

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Solution

The fourth proportional to 13,994.40, 19,316.23 and 9,217.83 is: 12,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.40 : 19,316.23 = 9,217.83 : x
  2. Step 2: Convert to fraction form
    13,994.40/19,316.23 = 9,217.83/x
  3. Step 3: Cross multiply
    13,994.40x = 19,316.23 × 9,217.83
  4. Step 4: Simplify right side
    13,994.40x = 178,053,675.60
  5. Step 5: Solve for x
    x = 178,053,675.60/13,994.40
  6. Step 6: Final answer
    x = 12,723.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.