Home / 22,069.95-30,453.53-13,114.19

Finding the Fourth Proportional to 22,069.95, 30,453.53 and 13,114.19

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Solution

The fourth proportional to 22,069.95, 30,453.53 and 13,114.19 is: 18,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.95 : 30,453.53 = 13,114.19 : x
  2. Step 2: Convert to fraction form
    22,069.95/30,453.53 = 13,114.19/x
  3. Step 3: Cross multiply
    22,069.95x = 30,453.53 × 13,114.19
  4. Step 4: Simplify right side
    22,069.95x = 399,373,160.75
  5. Step 5: Solve for x
    x = 399,373,160.75/22,069.95
  6. Step 6: Final answer
    x = 18,095.79

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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.