Home / 20,277.34-30,412.29-5,487.46

Finding the Fourth Proportional to 20,277.34, 30,412.29 and 5,487.46

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Solution

The fourth proportional to 20,277.34, 30,412.29 and 5,487.46 is: 8,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.34 : 30,412.29 = 5,487.46 : x
  2. Step 2: Convert to fraction form
    20,277.34/30,412.29 = 5,487.46/x
  3. Step 3: Cross multiply
    20,277.34x = 30,412.29 × 5,487.46
  4. Step 4: Simplify right side
    20,277.34x = 166,886,224.88
  5. Step 5: Solve for x
    x = 166,886,224.88/20,277.34
  6. Step 6: Final answer
    x = 8,230.18

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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.