Home / 22,679.84-31,298.04-12,608.12

Finding the Fourth Proportional to 22,679.84, 31,298.04 and 12,608.12

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Solution

The fourth proportional to 22,679.84, 31,298.04 and 12,608.12 is: 17,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.84 : 31,298.04 = 12,608.12 : x
  2. Step 2: Convert to fraction form
    22,679.84/31,298.04 = 12,608.12/x
  3. Step 3: Cross multiply
    22,679.84x = 31,298.04 × 12,608.12
  4. Step 4: Simplify right side
    22,679.84x = 394,609,444.08
  5. Step 5: Solve for x
    x = 394,609,444.08/22,679.84
  6. Step 6: Final answer
    x = 17,399.13

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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.