Home / 22,678.96-31,296.56-12,607.24

Finding the Fourth Proportional to 22,678.96, 31,296.56 and 12,607.24

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Solution

The fourth proportional to 22,678.96, 31,296.56 and 12,607.24 is: 17,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.96 : 31,296.56 = 12,607.24 : x
  2. Step 2: Convert to fraction form
    22,678.96/31,296.56 = 12,607.24/x
  3. Step 3: Cross multiply
    22,678.96x = 31,296.56 × 12,607.24
  4. Step 4: Simplify right side
    22,678.96x = 394,563,243.09
  5. Step 5: Solve for x
    x = 394,563,243.09/22,678.96
  6. Step 6: Final answer
    x = 17,397.77

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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.