Home / 18,983.79-26,197.83-10,486.13

Finding the Fourth Proportional to 18,983.79, 26,197.83 and 10,486.13

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Solution

The fourth proportional to 18,983.79, 26,197.83 and 10,486.13 is: 14,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.79 : 26,197.83 = 10,486.13 : x
  2. Step 2: Convert to fraction form
    18,983.79/26,197.83 = 10,486.13/x
  3. Step 3: Cross multiply
    18,983.79x = 26,197.83 × 10,486.13
  4. Step 4: Simplify right side
    18,983.79x = 274,713,720.11
  5. Step 5: Solve for x
    x = 274,713,720.11/18,983.79
  6. Step 6: Final answer
    x = 14,470.96

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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.