Home / 12,200.84-18,307.40-4,810.60

Finding the Fourth Proportional to 12,200.84, 18,307.40 and 4,810.60

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Solution

The fourth proportional to 12,200.84, 18,307.40 and 4,810.60 is: 7,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.84 : 18,307.40 = 4,810.60 : x
  2. Step 2: Convert to fraction form
    12,200.84/18,307.40 = 4,810.60/x
  3. Step 3: Cross multiply
    12,200.84x = 18,307.40 × 4,810.60
  4. Step 4: Simplify right side
    12,200.84x = 88,069,578.44
  5. Step 5: Solve for x
    x = 88,069,578.44/12,200.84
  6. Step 6: Final answer
    x = 7,218.32

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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.