Home / 13,363.29-20,060.37-7,820.64

Finding the Fourth Proportional to 13,363.29, 20,060.37 and 7,820.64

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Solution

The fourth proportional to 13,363.29, 20,060.37 and 7,820.64 is: 11,739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.29 : 20,060.37 = 7,820.64 : x
  2. Step 2: Convert to fraction form
    13,363.29/20,060.37 = 7,820.64/x
  3. Step 3: Cross multiply
    13,363.29x = 20,060.37 × 7,820.64
  4. Step 4: Simplify right side
    13,363.29x = 156,884,932.04
  5. Step 5: Solve for x
    x = 156,884,932.04/13,363.29
  6. Step 6: Final answer
    x = 11,739.99

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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.