Home / 20,237.08-30,345.09-7,753.36

Finding the Fourth Proportional to 20,237.08, 30,345.09 and 7,753.36

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Solution

The fourth proportional to 20,237.08, 30,345.09 and 7,753.36 is: 11,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.08 : 30,345.09 = 7,753.36 : x
  2. Step 2: Convert to fraction form
    20,237.08/30,345.09 = 7,753.36/x
  3. Step 3: Cross multiply
    20,237.08x = 30,345.09 × 7,753.36
  4. Step 4: Simplify right side
    20,237.08x = 235,276,407.00
  5. Step 5: Solve for x
    x = 235,276,407.00/20,237.08
  6. Step 6: Final answer
    x = 11,626.01

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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.