Home / 18,828.98-25,983.11-10,330.91

Finding the Fourth Proportional to 18,828.98, 25,983.11 and 10,330.91

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Solution

The fourth proportional to 18,828.98, 25,983.11 and 10,330.91 is: 14,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.98 : 25,983.11 = 10,330.91 : x
  2. Step 2: Convert to fraction form
    18,828.98/25,983.11 = 10,330.91/x
  3. Step 3: Cross multiply
    18,828.98x = 25,983.11 × 10,330.91
  4. Step 4: Simplify right side
    18,828.98x = 268,428,989.36
  5. Step 5: Solve for x
    x = 268,428,989.36/18,828.98
  6. Step 6: Final answer
    x = 14,256.17

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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.