Home / 22,914.80-31,619.64-12,842.48

Finding the Fourth Proportional to 22,914.80, 31,619.64 and 12,842.48

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Solution

The fourth proportional to 22,914.80, 31,619.64 and 12,842.48 is: 17,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,914.80 : 31,619.64 = 12,842.48 : x
  2. Step 2: Convert to fraction form
    22,914.80/31,619.64 = 12,842.48/x
  3. Step 3: Cross multiply
    22,914.80x = 31,619.64 × 12,842.48
  4. Step 4: Simplify right side
    22,914.80x = 406,074,594.31
  5. Step 5: Solve for x
    x = 406,074,594.31/22,914.80
  6. Step 6: Final answer
    x = 17,721.06

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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.