Home / 13,880.02-20,814.80-4,517.60

Finding the Fourth Proportional to 13,880.02, 20,814.80 and 4,517.60

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Solution

The fourth proportional to 13,880.02, 20,814.80 and 4,517.60 is: 6,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.02 : 20,814.80 = 4,517.60 : x
  2. Step 2: Convert to fraction form
    13,880.02/20,814.80 = 4,517.60/x
  3. Step 3: Cross multiply
    13,880.02x = 20,814.80 × 4,517.60
  4. Step 4: Simplify right side
    13,880.02x = 94,032,940.48
  5. Step 5: Solve for x
    x = 94,032,940.48/13,880.02
  6. Step 6: Final answer
    x = 6,774.70

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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.