Home / 13,995.03-20,997.66-6,502.05

Finding the Fourth Proportional to 13,995.03, 20,997.66 and 6,502.05

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Solution

The fourth proportional to 13,995.03, 20,997.66 and 6,502.05 is: 9,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.03 : 20,997.66 = 6,502.05 : x
  2. Step 2: Convert to fraction form
    13,995.03/20,997.66 = 6,502.05/x
  3. Step 3: Cross multiply
    13,995.03x = 20,997.66 × 6,502.05
  4. Step 4: Simplify right side
    13,995.03x = 136,527,835.20
  5. Step 5: Solve for x
    x = 136,527,835.20/13,995.03
  6. Step 6: Final answer
    x = 9,755.45

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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.