Home / 12,212.02-18,301.56-6,356.80

Finding the Fourth Proportional to 12,212.02, 18,301.56 and 6,356.80

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Solution

The fourth proportional to 12,212.02, 18,301.56 and 6,356.80 is: 9,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.02 : 18,301.56 = 6,356.80 : x
  2. Step 2: Convert to fraction form
    12,212.02/18,301.56 = 6,356.80/x
  3. Step 3: Cross multiply
    12,212.02x = 18,301.56 × 6,356.80
  4. Step 4: Simplify right side
    12,212.02x = 116,339,356.61
  5. Step 5: Solve for x
    x = 116,339,356.61/12,212.02
  6. Step 6: Final answer
    x = 9,526.63

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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.