Home / 15,639.99-23,454.08-5,107.56

Finding the Fourth Proportional to 15,639.99, 23,454.08 and 5,107.56

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Solution

The fourth proportional to 15,639.99, 23,454.08 and 5,107.56 is: 7,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.99 : 23,454.08 = 5,107.56 : x
  2. Step 2: Convert to fraction form
    15,639.99/23,454.08 = 5,107.56/x
  3. Step 3: Cross multiply
    15,639.99x = 23,454.08 × 5,107.56
  4. Step 4: Simplify right side
    15,639.99x = 119,793,003.57
  5. Step 5: Solve for x
    x = 119,793,003.57/15,639.99
  6. Step 6: Final answer
    x = 7,659.41

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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.