Home / 20,302.28-30,456.69-6,259.02

Finding the Fourth Proportional to 20,302.28, 30,456.69 and 6,259.02

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Solution

The fourth proportional to 20,302.28, 30,456.69 and 6,259.02 is: 9,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.28 : 30,456.69 = 6,259.02 : x
  2. Step 2: Convert to fraction form
    20,302.28/30,456.69 = 6,259.02/x
  3. Step 3: Cross multiply
    20,302.28x = 30,456.69 × 6,259.02
  4. Step 4: Simplify right side
    20,302.28x = 190,628,879.56
  5. Step 5: Solve for x
    x = 190,628,879.56/20,302.28
  6. Step 6: Final answer
    x = 9,389.53

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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.