Home / 21,174.64-31,761.36-5,592.32

Finding the Fourth Proportional to 21,174.64, 31,761.36 and 5,592.32

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Solution

The fourth proportional to 21,174.64, 31,761.36 and 5,592.32 is: 8,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,174.64 : 31,761.36 = 5,592.32 : x
  2. Step 2: Convert to fraction form
    21,174.64/31,761.36 = 5,592.32/x
  3. Step 3: Cross multiply
    21,174.64x = 31,761.36 × 5,592.32
  4. Step 4: Simplify right side
    21,174.64x = 177,619,688.76
  5. Step 5: Solve for x
    x = 177,619,688.76/21,174.64
  6. Step 6: Final answer
    x = 8,388.32

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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.