Home / 10,455.42-15,679.47-3,059.73

Finding the Fourth Proportional to 10,455.42, 15,679.47 and 3,059.73

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Solution

The fourth proportional to 10,455.42, 15,679.47 and 3,059.73 is: 4,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.42 : 15,679.47 = 3,059.73 : x
  2. Step 2: Convert to fraction form
    10,455.42/15,679.47 = 3,059.73/x
  3. Step 3: Cross multiply
    10,455.42x = 15,679.47 × 3,059.73
  4. Step 4: Simplify right side
    10,455.42x = 47,974,944.74
  5. Step 5: Solve for x
    x = 47,974,944.74/10,455.42
  6. Step 6: Final answer
    x = 4,588.52

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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.