Home / 18,889.43-26,064.56-10,821.83

Finding the Fourth Proportional to 18,889.43, 26,064.56 and 10,821.83

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Solution

The fourth proportional to 18,889.43, 26,064.56 and 10,821.83 is: 14,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.43 : 26,064.56 = 10,821.83 : x
  2. Step 2: Convert to fraction form
    18,889.43/26,064.56 = 10,821.83/x
  3. Step 3: Cross multiply
    18,889.43x = 26,064.56 × 10,821.83
  4. Step 4: Simplify right side
    18,889.43x = 282,066,237.34
  5. Step 5: Solve for x
    x = 282,066,237.34/18,889.43
  6. Step 6: Final answer
    x = 14,932.49

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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.