Home / 14,400.40-21,600.60-13,363.60

Finding the Fourth Proportional to 14,400.40, 21,600.60 and 13,363.60

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Solution

The fourth proportional to 14,400.40, 21,600.60 and 13,363.60 is: 20,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.40 : 21,600.60 = 13,363.60 : x
  2. Step 2: Convert to fraction form
    14,400.40/21,600.60 = 13,363.60/x
  3. Step 3: Cross multiply
    14,400.40x = 21,600.60 × 13,363.60
  4. Step 4: Simplify right side
    14,400.40x = 288,661,778.16
  5. Step 5: Solve for x
    x = 288,661,778.16/14,400.40
  6. Step 6: Final answer
    x = 20,045.40

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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.