Home / 19,886.64-29,832.84-6,039.60

Finding the Fourth Proportional to 19,886.64, 29,832.84 and 6,039.60

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Solution

The fourth proportional to 19,886.64, 29,832.84 and 6,039.60 is: 9,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.64 : 29,832.84 = 6,039.60 : x
  2. Step 2: Convert to fraction form
    19,886.64/29,832.84 = 6,039.60/x
  3. Step 3: Cross multiply
    19,886.64x = 29,832.84 × 6,039.60
  4. Step 4: Simplify right side
    19,886.64x = 180,178,420.46
  5. Step 5: Solve for x
    x = 180,178,420.46/19,886.64
  6. Step 6: Final answer
    x = 9,060.27

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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.