Home / 20,334.83-30,501.34-5,543.75

Finding the Fourth Proportional to 20,334.83, 30,501.34 and 5,543.75

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Solution

The fourth proportional to 20,334.83, 30,501.34 and 5,543.75 is: 8,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.83 : 30,501.34 = 5,543.75 : x
  2. Step 2: Convert to fraction form
    20,334.83/30,501.34 = 5,543.75/x
  3. Step 3: Cross multiply
    20,334.83x = 30,501.34 × 5,543.75
  4. Step 4: Simplify right side
    20,334.83x = 169,091,637.26
  5. Step 5: Solve for x
    x = 169,091,637.26/20,334.83
  6. Step 6: Final answer
    x = 8,315.37

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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.