Home / 18,929.48-26,123.18-10,863.79

Finding the Fourth Proportional to 18,929.48, 26,123.18 and 10,863.79

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Solution

The fourth proportional to 18,929.48, 26,123.18 and 10,863.79 is: 14,992.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929.48 : 26,123.18 = 10,863.79 : x
  2. Step 2: Convert to fraction form
    18,929.48/26,123.18 = 10,863.79/x
  3. Step 3: Cross multiply
    18,929.48x = 26,123.18 × 10,863.79
  4. Step 4: Simplify right side
    18,929.48x = 283,796,622.03
  5. Step 5: Solve for x
    x = 283,796,622.03/18,929.48
  6. Step 6: Final answer
    x = 14,992.31

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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.