Home / 13,534.34-20,287.32-4,647.02

Finding the Fourth Proportional to 13,534.34, 20,287.32 and 4,647.02

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Solution

The fourth proportional to 13,534.34, 20,287.32 and 4,647.02 is: 6,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.34 : 20,287.32 = 4,647.02 : x
  2. Step 2: Convert to fraction form
    13,534.34/20,287.32 = 4,647.02/x
  3. Step 3: Cross multiply
    13,534.34x = 20,287.32 × 4,647.02
  4. Step 4: Simplify right side
    13,534.34x = 94,275,480.35
  5. Step 5: Solve for x
    x = 94,275,480.35/13,534.34
  6. Step 6: Final answer
    x = 6,965.65

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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.