Home / 13,664.02-20,494.40-4,303.66

Finding the Fourth Proportional to 13,664.02, 20,494.40 and 4,303.66

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Solution

The fourth proportional to 13,664.02, 20,494.40 and 4,303.66 is: 6,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.02 : 20,494.40 = 4,303.66 : x
  2. Step 2: Convert to fraction form
    13,664.02/20,494.40 = 4,303.66/x
  3. Step 3: Cross multiply
    13,664.02x = 20,494.40 × 4,303.66
  4. Step 4: Simplify right side
    13,664.02x = 88,200,837.79
  5. Step 5: Solve for x
    x = 88,200,837.79/13,664.02
  6. Step 6: Final answer
    x = 6,454.97

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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.