Home / 20,356.11-30,530.52-9,263.16

Finding the Fourth Proportional to 20,356.11, 30,530.52 and 9,263.16

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Solution

The fourth proportional to 20,356.11, 30,530.52 and 9,263.16 is: 13,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,356.11 : 30,530.52 = 9,263.16 : x
  2. Step 2: Convert to fraction form
    20,356.11/30,530.52 = 9,263.16/x
  3. Step 3: Cross multiply
    20,356.11x = 30,530.52 × 9,263.16
  4. Step 4: Simplify right side
    20,356.11x = 282,809,091.64
  5. Step 5: Solve for x
    x = 282,809,091.64/20,356.11
  6. Step 6: Final answer
    x = 13,893.08

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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.