Home / 20,068.24-30,102.62-9,539.36

Finding the Fourth Proportional to 20,068.24, 30,102.62 and 9,539.36

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Solution

The fourth proportional to 20,068.24, 30,102.62 and 9,539.36 is: 14,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.24 : 30,102.62 = 9,539.36 : x
  2. Step 2: Convert to fraction form
    20,068.24/30,102.62 = 9,539.36/x
  3. Step 3: Cross multiply
    20,068.24x = 30,102.62 × 9,539.36
  4. Step 4: Simplify right side
    20,068.24x = 287,159,729.12
  5. Step 5: Solve for x
    x = 287,159,729.12/20,068.24
  6. Step 6: Final answer
    x = 14,309.16

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1.5x scale

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.