Home / 13,365.80-20,038.02-6,342.28

Finding the Fourth Proportional to 13,365.80, 20,038.02 and 6,342.28

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Solution

The fourth proportional to 13,365.80, 20,038.02 and 6,342.28 is: 9,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.80 : 20,038.02 = 6,342.28 : x
  2. Step 2: Convert to fraction form
    13,365.80/20,038.02 = 6,342.28/x
  3. Step 3: Cross multiply
    13,365.80x = 20,038.02 × 6,342.28
  4. Step 4: Simplify right side
    13,365.80x = 127,086,733.49
  5. Step 5: Solve for x
    x = 127,086,733.49/13,365.80
  6. Step 6: Final answer
    x = 9,508.35

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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.