Home / 22,040.63-30,416.07-12,609.20

Finding the Fourth Proportional to 22,040.63, 30,416.07 and 12,609.20

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Solution

The fourth proportional to 22,040.63, 30,416.07 and 12,609.20 is: 17,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.63 : 30,416.07 = 12,609.20 : x
  2. Step 2: Convert to fraction form
    22,040.63/30,416.07 = 12,609.20/x
  3. Step 3: Cross multiply
    22,040.63x = 30,416.07 × 12,609.20
  4. Step 4: Simplify right side
    22,040.63x = 383,522,157.76
  5. Step 5: Solve for x
    x = 383,522,157.76/22,040.63
  6. Step 6: Final answer
    x = 17,400.69

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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.