Home / 22,110.24-30,512.40-12,038.64

Finding the Fourth Proportional to 22,110.24, 30,512.40 and 12,038.64

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Solution

The fourth proportional to 22,110.24, 30,512.40 and 12,038.64 is: 16,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.24 : 30,512.40 = 12,038.64 : x
  2. Step 2: Convert to fraction form
    22,110.24/30,512.40 = 12,038.64/x
  3. Step 3: Cross multiply
    22,110.24x = 30,512.40 × 12,038.64
  4. Step 4: Simplify right side
    22,110.24x = 367,327,799.14
  5. Step 5: Solve for x
    x = 367,327,799.14/22,110.24
  6. Step 6: Final answer
    x = 16,613.47

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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.