Home / 22,490.79-33,756.77-11,405.13

Finding the Fourth Proportional to 22,490.79, 33,756.77 and 11,405.13

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Solution

The fourth proportional to 22,490.79, 33,756.77 and 11,405.13 is: 17,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.79 : 33,756.77 = 11,405.13 : x
  2. Step 2: Convert to fraction form
    22,490.79/33,756.77 = 11,405.13/x
  3. Step 3: Cross multiply
    22,490.79x = 33,756.77 × 11,405.13
  4. Step 4: Simplify right side
    22,490.79x = 385,000,350.23
  5. Step 5: Solve for x
    x = 385,000,350.23/22,490.79
  6. Step 6: Final answer
    x = 17,118.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.