Home / 11,901.68-17,880.26-10,240.96

Finding the Fourth Proportional to 11,901.68, 17,880.26 and 10,240.96

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Solution

The fourth proportional to 11,901.68, 17,880.26 and 10,240.96 is: 15,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.68 : 17,880.26 = 10,240.96 : x
  2. Step 2: Convert to fraction form
    11,901.68/17,880.26 = 10,240.96/x
  3. Step 3: Cross multiply
    11,901.68x = 17,880.26 × 10,240.96
  4. Step 4: Simplify right side
    11,901.68x = 183,111,027.45
  5. Step 5: Solve for x
    x = 183,111,027.45/11,901.68
  6. Step 6: Final answer
    x = 15,385.31

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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.