Home / 22,048.89-30,427.70-11,977.53

Finding the Fourth Proportional to 22,048.89, 30,427.70 and 11,977.53

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Solution

The fourth proportional to 22,048.89, 30,427.70 and 11,977.53 is: 16,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,048.89 : 30,427.70 = 11,977.53 : x
  2. Step 2: Convert to fraction form
    22,048.89/30,427.70 = 11,977.53/x
  3. Step 3: Cross multiply
    22,048.89x = 30,427.70 × 11,977.53
  4. Step 4: Simplify right side
    22,048.89x = 364,448,629.69
  5. Step 5: Solve for x
    x = 364,448,629.69/22,048.89
  6. Step 6: Final answer
    x = 16,529.11

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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.