Home / 15,215.85-22,823.37-6,889.86

Finding the Fourth Proportional to 15,215.85, 22,823.37 and 6,889.86

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Solution

The fourth proportional to 15,215.85, 22,823.37 and 6,889.86 is: 10,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.85 : 22,823.37 = 6,889.86 : x
  2. Step 2: Convert to fraction form
    15,215.85/22,823.37 = 6,889.86/x
  3. Step 3: Cross multiply
    15,215.85x = 22,823.37 × 6,889.86
  4. Step 4: Simplify right side
    15,215.85x = 157,249,824.03
  5. Step 5: Solve for x
    x = 157,249,824.03/15,215.85
  6. Step 6: Final answer
    x = 10,334.61

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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.