Home / 20,541.06-30,820.39-6,502.23

Finding the Fourth Proportional to 20,541.06, 30,820.39 and 6,502.23

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Solution

The fourth proportional to 20,541.06, 30,820.39 and 6,502.23 is: 9,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.06 : 30,820.39 = 6,502.23 : x
  2. Step 2: Convert to fraction form
    20,541.06/30,820.39 = 6,502.23/x
  3. Step 3: Cross multiply
    20,541.06x = 30,820.39 × 6,502.23
  4. Step 4: Simplify right side
    20,541.06x = 200,401,353.18
  5. Step 5: Solve for x
    x = 200,401,353.18/20,541.06
  6. Step 6: Final answer
    x = 9,756.13

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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.