Home / 15,435.46-23,134.21-8,777.54

Finding the Fourth Proportional to 15,435.46, 23,134.21 and 8,777.54

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Solution

The fourth proportional to 15,435.46, 23,134.21 and 8,777.54 is: 13,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.46 : 23,134.21 = 8,777.54 : x
  2. Step 2: Convert to fraction form
    15,435.46/23,134.21 = 8,777.54/x
  3. Step 3: Cross multiply
    15,435.46x = 23,134.21 × 8,777.54
  4. Step 4: Simplify right side
    15,435.46x = 203,061,489.54
  5. Step 5: Solve for x
    x = 203,061,489.54/15,435.46
  6. Step 6: Final answer
    x = 13,155.52

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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.