Home / 22,678.35-31,295.96-12,607.71

Finding the Fourth Proportional to 22,678.35, 31,295.96 and 12,607.71

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Solution

The fourth proportional to 22,678.35, 31,295.96 and 12,607.71 is: 17,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.35 : 31,295.96 = 12,607.71 : x
  2. Step 2: Convert to fraction form
    22,678.35/31,295.96 = 12,607.71/x
  3. Step 3: Cross multiply
    22,678.35x = 31,295.96 × 12,607.71
  4. Step 4: Simplify right side
    22,678.35x = 394,570,324.81
  5. Step 5: Solve for x
    x = 394,570,324.81/22,678.35
  6. Step 6: Final answer
    x = 17,398.55

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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.