Home / 15,733.85-21,712.71-8,660.27

Finding the Fourth Proportional to 15,733.85, 21,712.71 and 8,660.27

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Solution

The fourth proportional to 15,733.85, 21,712.71 and 8,660.27 is: 11,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.85 : 21,712.71 = 8,660.27 : x
  2. Step 2: Convert to fraction form
    15,733.85/21,712.71 = 8,660.27/x
  3. Step 3: Cross multiply
    15,733.85x = 21,712.71 × 8,660.27
  4. Step 4: Simplify right side
    15,733.85x = 188,038,017.79
  5. Step 5: Solve for x
    x = 188,038,017.79/15,733.85
  6. Step 6: Final answer
    x = 11,951.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.