Home / 18,220.48-27,353.04-10,329.76

Finding the Fourth Proportional to 18,220.48, 27,353.04 and 10,329.76

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Solution

The fourth proportional to 18,220.48, 27,353.04 and 10,329.76 is: 15,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.48 : 27,353.04 = 10,329.76 : x
  2. Step 2: Convert to fraction form
    18,220.48/27,353.04 = 10,329.76/x
  3. Step 3: Cross multiply
    18,220.48x = 27,353.04 × 10,329.76
  4. Step 4: Simplify right side
    18,220.48x = 282,550,338.47
  5. Step 5: Solve for x
    x = 282,550,338.47/18,220.48
  6. Step 6: Final answer
    x = 15,507.29

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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.