Home / 22,490.48-31,036.66-12,418.94

Finding the Fourth Proportional to 22,490.48, 31,036.66 and 12,418.94

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Solution

The fourth proportional to 22,490.48, 31,036.66 and 12,418.94 is: 17,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.48 : 31,036.66 = 12,418.94 : x
  2. Step 2: Convert to fraction form
    22,490.48/31,036.66 = 12,418.94/x
  3. Step 3: Cross multiply
    22,490.48x = 31,036.66 × 12,418.94
  4. Step 4: Simplify right side
    22,490.48x = 385,442,418.34
  5. Step 5: Solve for x
    x = 385,442,418.34/22,490.48
  6. Step 6: Final answer
    x = 17,138.03

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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.