Home / 22,218.96-30,652.24-14,655.60

Finding the Fourth Proportional to 22,218.96, 30,652.24 and 14,655.60

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Solution

The fourth proportional to 22,218.96, 30,652.24 and 14,655.60 is: 20,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.96 : 30,652.24 = 14,655.60 : x
  2. Step 2: Convert to fraction form
    22,218.96/30,652.24 = 14,655.60/x
  3. Step 3: Cross multiply
    22,218.96x = 30,652.24 × 14,655.60
  4. Step 4: Simplify right side
    22,218.96x = 449,226,968.54
  5. Step 5: Solve for x
    x = 449,226,968.54/22,218.96
  6. Step 6: Final answer
    x = 20,218.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.