Home / 14,385.60-21,583.80-5,626.80

Finding the Fourth Proportional to 14,385.60, 21,583.80 and 5,626.80

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Solution

The fourth proportional to 14,385.60, 21,583.80 and 5,626.80 is: 8,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.60 : 21,583.80 = 5,626.80 : x
  2. Step 2: Convert to fraction form
    14,385.60/21,583.80 = 5,626.80/x
  3. Step 3: Cross multiply
    14,385.60x = 21,583.80 × 5,626.80
  4. Step 4: Simplify right side
    14,385.60x = 121,447,725.84
  5. Step 5: Solve for x
    x = 121,447,725.84/14,385.60
  6. Step 6: Final answer
    x = 8,442.31

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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.