Home / 22,044.63-30,420.99-12,612.59

Finding the Fourth Proportional to 22,044.63, 30,420.99 and 12,612.59

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Solution

The fourth proportional to 22,044.63, 30,420.99 and 12,612.59 is: 17,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.63 : 30,420.99 = 12,612.59 : x
  2. Step 2: Convert to fraction form
    22,044.63/30,420.99 = 12,612.59/x
  3. Step 3: Cross multiply
    22,044.63x = 30,420.99 × 12,612.59
  4. Step 4: Simplify right side
    22,044.63x = 383,687,322.16
  5. Step 5: Solve for x
    x = 383,687,322.16/22,044.63
  6. Step 6: Final answer
    x = 17,405.02

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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.