Home / 11,220.48-16,901.28-10,529.28

Finding the Fourth Proportional to 11,220.48, 16,901.28 and 10,529.28

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Solution

The fourth proportional to 11,220.48, 16,901.28 and 10,529.28 is: 15,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.48 : 16,901.28 = 10,529.28 : x
  2. Step 2: Convert to fraction form
    11,220.48/16,901.28 = 10,529.28/x
  3. Step 3: Cross multiply
    11,220.48x = 16,901.28 × 10,529.28
  4. Step 4: Simplify right side
    11,220.48x = 177,958,309.48
  5. Step 5: Solve for x
    x = 177,958,309.48/11,220.48
  6. Step 6: Final answer
    x = 15,860.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.