Home / 22,114.15-30,465.61-15,388.23

Finding the Fourth Proportional to 22,114.15, 30,465.61 and 15,388.23

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Solution

The fourth proportional to 22,114.15, 30,465.61 and 15,388.23 is: 21,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.15 : 30,465.61 = 15,388.23 : x
  2. Step 2: Convert to fraction form
    22,114.15/30,465.61 = 15,388.23/x
  3. Step 3: Cross multiply
    22,114.15x = 30,465.61 × 15,388.23
  4. Step 4: Simplify right side
    22,114.15x = 468,811,813.77
  5. Step 5: Solve for x
    x = 468,811,813.77/22,114.15
  6. Step 6: Final answer
    x = 21,199.63

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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.