Home / 22,679.68-31,298.07-12,609.05

Finding the Fourth Proportional to 22,679.68, 31,298.07 and 12,609.05

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Solution

The fourth proportional to 22,679.68, 31,298.07 and 12,609.05 is: 17,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.68 : 31,298.07 = 12,609.05 : x
  2. Step 2: Convert to fraction form
    22,679.68/31,298.07 = 12,609.05/x
  3. Step 3: Cross multiply
    22,679.68x = 31,298.07 × 12,609.05
  4. Step 4: Simplify right side
    22,679.68x = 394,638,929.53
  5. Step 5: Solve for x
    x = 394,638,929.53/22,679.68
  6. Step 6: Final answer
    x = 17,400.55

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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.