Home / 11,640.32-17,460.16-2,875.36

Finding the Fourth Proportional to 11,640.32, 17,460.16 and 2,875.36

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Solution

The fourth proportional to 11,640.32, 17,460.16 and 2,875.36 is: 4,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.32 : 17,460.16 = 2,875.36 : x
  2. Step 2: Convert to fraction form
    11,640.32/17,460.16 = 2,875.36/x
  3. Step 3: Cross multiply
    11,640.32x = 17,460.16 × 2,875.36
  4. Step 4: Simplify right side
    11,640.32x = 50,204,245.66
  5. Step 5: Solve for x
    x = 50,204,245.66/11,640.32
  6. Step 6: Final answer
    x = 4,312.96

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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.