Home / 22,223.40-30,615.48-15,496.80

Finding the Fourth Proportional to 22,223.40, 30,615.48 and 15,496.80

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Solution

The fourth proportional to 22,223.40, 30,615.48 and 15,496.80 is: 21,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.40 : 30,615.48 = 15,496.80 : x
  2. Step 2: Convert to fraction form
    22,223.40/30,615.48 = 15,496.80/x
  3. Step 3: Cross multiply
    22,223.40x = 30,615.48 × 15,496.80
  4. Step 4: Simplify right side
    22,223.40x = 474,441,970.46
  5. Step 5: Solve for x
    x = 474,441,970.46/22,223.40
  6. Step 6: Final answer
    x = 21,348.76

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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.