Home / 11,305.04-15,600.24-6,644.48

Finding the Fourth Proportional to 11,305.04, 15,600.24 and 6,644.48

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Solution

The fourth proportional to 11,305.04, 15,600.24 and 6,644.48 is: 9,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.04 : 15,600.24 = 6,644.48 : x
  2. Step 2: Convert to fraction form
    11,305.04/15,600.24 = 6,644.48/x
  3. Step 3: Cross multiply
    11,305.04x = 15,600.24 × 6,644.48
  4. Step 4: Simplify right side
    11,305.04x = 103,655,482.68
  5. Step 5: Solve for x
    x = 103,655,482.68/11,305.04
  6. Step 6: Final answer
    x = 9,168.96

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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.