Home / 20,158.29-30,237.44-9,762.75

Finding the Fourth Proportional to 20,158.29, 30,237.44 and 9,762.75

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Solution

The fourth proportional to 20,158.29, 30,237.44 and 9,762.75 is: 14,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.29 : 30,237.44 = 9,762.75 : x
  2. Step 2: Convert to fraction form
    20,158.29/30,237.44 = 9,762.75/x
  3. Step 3: Cross multiply
    20,158.29x = 30,237.44 × 9,762.75
  4. Step 4: Simplify right side
    20,158.29x = 295,200,518.55
  5. Step 5: Solve for x
    x = 295,200,518.55/20,158.29
  6. Step 6: Final answer
    x = 14,644.13

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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.