Home / 15,880.16-23,900.01-11,951.77

Finding the Fourth Proportional to 15,880.16, 23,900.01 and 11,951.77

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Solution

The fourth proportional to 15,880.16, 23,900.01 and 11,951.77 is: 17,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.16 : 23,900.01 = 11,951.77 : x
  2. Step 2: Convert to fraction form
    15,880.16/23,900.01 = 11,951.77/x
  3. Step 3: Cross multiply
    15,880.16x = 23,900.01 × 11,951.77
  4. Step 4: Simplify right side
    15,880.16x = 285,647,422.52
  5. Step 5: Solve for x
    x = 285,647,422.52/15,880.16
  6. Step 6: Final answer
    x = 17,987.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.