Home / 22,458.23-30,976.81-18,209.47

Finding the Fourth Proportional to 22,458.23, 30,976.81 and 18,209.47

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Solution

The fourth proportional to 22,458.23, 30,976.81 and 18,209.47 is: 25,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.23 : 30,976.81 = 18,209.47 : x
  2. Step 2: Convert to fraction form
    22,458.23/30,976.81 = 18,209.47/x
  3. Step 3: Cross multiply
    22,458.23x = 30,976.81 × 18,209.47
  4. Step 4: Simplify right side
    22,458.23x = 564,071,242.81
  5. Step 5: Solve for x
    x = 564,071,242.81/22,458.23
  6. Step 6: Final answer
    x = 25,116.46

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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.