Home / 13,693.02-20,542.06-4,335.39

Finding the Fourth Proportional to 13,693.02, 20,542.06 and 4,335.39

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Solution

The fourth proportional to 13,693.02, 20,542.06 and 4,335.39 is: 6,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.02 : 20,542.06 = 4,335.39 : x
  2. Step 2: Convert to fraction form
    13,693.02/20,542.06 = 4,335.39/x
  3. Step 3: Cross multiply
    13,693.02x = 20,542.06 × 4,335.39
  4. Step 4: Simplify right side
    13,693.02x = 89,057,830.66
  5. Step 5: Solve for x
    x = 89,057,830.66/13,693.02
  6. Step 6: Final answer
    x = 6,503.89

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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.