Home / 22,722.64-31,356.84-12,652.72

Finding the Fourth Proportional to 22,722.64, 31,356.84 and 12,652.72

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Solution

The fourth proportional to 22,722.64, 31,356.84 and 12,652.72 is: 17,460.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722.64 : 31,356.84 = 12,652.72 : x
  2. Step 2: Convert to fraction form
    22,722.64/31,356.84 = 12,652.72/x
  3. Step 3: Cross multiply
    22,722.64x = 31,356.84 × 12,652.72
  4. Step 4: Simplify right side
    22,722.64x = 396,749,316.60
  5. Step 5: Solve for x
    x = 396,749,316.60/22,722.64
  6. Step 6: Final answer
    x = 17,460.53

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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.