Home / 14,728.60-22,092.90-14,145.40

Finding the Fourth Proportional to 14,728.60, 22,092.90 and 14,145.40

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Solution

The fourth proportional to 14,728.60, 22,092.90 and 14,145.40 is: 21,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.60 : 22,092.90 = 14,145.40 : x
  2. Step 2: Convert to fraction form
    14,728.60/22,092.90 = 14,145.40/x
  3. Step 3: Cross multiply
    14,728.60x = 22,092.90 × 14,145.40
  4. Step 4: Simplify right side
    14,728.60x = 312,512,907.66
  5. Step 5: Solve for x
    x = 312,512,907.66/14,728.60
  6. Step 6: Final answer
    x = 21,218.10

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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.