Home / 12,154.02-18,236.37-4,262.22

Finding the Fourth Proportional to 12,154.02, 18,236.37 and 4,262.22

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Solution

The fourth proportional to 12,154.02, 18,236.37 and 4,262.22 is: 6,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.02 : 18,236.37 = 4,262.22 : x
  2. Step 2: Convert to fraction form
    12,154.02/18,236.37 = 4,262.22/x
  3. Step 3: Cross multiply
    12,154.02x = 18,236.37 × 4,262.22
  4. Step 4: Simplify right side
    12,154.02x = 77,727,420.94
  5. Step 5: Solve for x
    x = 77,727,420.94/12,154.02
  6. Step 6: Final answer
    x = 6,395.20

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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.