Home / 22,365.40-30,864.63-12,805.27

Finding the Fourth Proportional to 22,365.40, 30,864.63 and 12,805.27

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Solution

The fourth proportional to 22,365.40, 30,864.63 and 12,805.27 is: 17,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,365.40 : 30,864.63 = 12,805.27 : x
  2. Step 2: Convert to fraction form
    22,365.40/30,864.63 = 12,805.27/x
  3. Step 3: Cross multiply
    22,365.40x = 30,864.63 × 12,805.27
  4. Step 4: Simplify right side
    22,365.40x = 395,229,920.60
  5. Step 5: Solve for x
    x = 395,229,920.60/22,365.40
  6. Step 6: Final answer
    x = 17,671.49

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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.