Home / 20,255.76-30,362.85-9,710.37

Finding the Fourth Proportional to 20,255.76, 30,362.85 and 9,710.37

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Solution

The fourth proportional to 20,255.76, 30,362.85 and 9,710.37 is: 14,555.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.76 : 30,362.85 = 9,710.37 : x
  2. Step 2: Convert to fraction form
    20,255.76/30,362.85 = 9,710.37/x
  3. Step 3: Cross multiply
    20,255.76x = 30,362.85 × 9,710.37
  4. Step 4: Simplify right side
    20,255.76x = 294,834,507.75
  5. Step 5: Solve for x
    x = 294,834,507.75/20,255.76
  6. Step 6: Final answer
    x = 14,555.59

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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.