Home / 13,928.02-20,881.32-4,562.35

Finding the Fourth Proportional to 13,928.02, 20,881.32 and 4,562.35

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Solution

The fourth proportional to 13,928.02, 20,881.32 and 4,562.35 is: 6,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.02 : 20,881.32 = 4,562.35 : x
  2. Step 2: Convert to fraction form
    13,928.02/20,881.32 = 4,562.35/x
  3. Step 3: Cross multiply
    13,928.02x = 20,881.32 × 4,562.35
  4. Step 4: Simplify right side
    13,928.02x = 95,267,890.30
  5. Step 5: Solve for x
    x = 95,267,890.30/13,928.02
  6. Step 6: Final answer
    x = 6,840.02

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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.