Home / 22,678.84-31,296.66-12,607.12

Finding the Fourth Proportional to 22,678.84, 31,296.66 and 12,607.12

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Solution

The fourth proportional to 22,678.84, 31,296.66 and 12,607.12 is: 17,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.84 : 31,296.66 = 12,607.12 : x
  2. Step 2: Convert to fraction form
    22,678.84/31,296.66 = 12,607.12/x
  3. Step 3: Cross multiply
    22,678.84x = 31,296.66 × 12,607.12
  4. Step 4: Simplify right side
    22,678.84x = 394,560,748.22
  5. Step 5: Solve for x
    x = 394,560,748.22/22,678.84
  6. Step 6: Final answer
    x = 17,397.75

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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.