Home / 22,275.04-33,387.39-9,120.22

Finding the Fourth Proportional to 22,275.04, 33,387.39 and 9,120.22

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Solution

The fourth proportional to 22,275.04, 33,387.39 and 9,120.22 is: 13,670.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.04 : 33,387.39 = 9,120.22 : x
  2. Step 2: Convert to fraction form
    22,275.04/33,387.39 = 9,120.22/x
  3. Step 3: Cross multiply
    22,275.04x = 33,387.39 × 9,120.22
  4. Step 4: Simplify right side
    22,275.04x = 304,500,342.03
  5. Step 5: Solve for x
    x = 304,500,342.03/22,275.04
  6. Step 6: Final answer
    x = 13,670.02

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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.