Home / 22,470.40-33,727.20-11,389.60

Finding the Fourth Proportional to 22,470.40, 33,727.20 and 11,389.60

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Solution

The fourth proportional to 22,470.40, 33,727.20 and 11,389.60 is: 17,095.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470.40 : 33,727.20 = 11,389.60 : x
  2. Step 2: Convert to fraction form
    22,470.40/33,727.20 = 11,389.60/x
  3. Step 3: Cross multiply
    22,470.40x = 33,727.20 × 11,389.60
  4. Step 4: Simplify right side
    22,470.40x = 384,139,317.12
  5. Step 5: Solve for x
    x = 384,139,317.12/22,470.40
  6. Step 6: Final answer
    x = 17,095.35

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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.