Home / 22,400.90-30,902.87-14,445.69

Finding the Fourth Proportional to 22,400.90, 30,902.87 and 14,445.69

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Solution

The fourth proportional to 22,400.90, 30,902.87 and 14,445.69 is: 19,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,400.90 : 30,902.87 = 14,445.69 : x
  2. Step 2: Convert to fraction form
    22,400.90/30,902.87 = 14,445.69/x
  3. Step 3: Cross multiply
    22,400.90x = 30,902.87 × 14,445.69
  4. Step 4: Simplify right side
    22,400.90x = 446,413,292.93
  5. Step 5: Solve for x
    x = 446,413,292.93/22,400.90
  6. Step 6: Final answer
    x = 19,928.36

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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.