Home / 14,400.58-21,600.86-8,240.26

Finding the Fourth Proportional to 14,400.58, 21,600.86 and 8,240.26

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Solution

The fourth proportional to 14,400.58, 21,600.86 and 8,240.26 is: 12,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.58 : 21,600.86 = 8,240.26 : x
  2. Step 2: Convert to fraction form
    14,400.58/21,600.86 = 8,240.26/x
  3. Step 3: Cross multiply
    14,400.58x = 21,600.86 × 8,240.26
  4. Step 4: Simplify right side
    14,400.58x = 177,996,702.62
  5. Step 5: Solve for x
    x = 177,996,702.62/14,400.58
  6. Step 6: Final answer
    x = 12,360.38

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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.