Home / 15,953.75-22,016.91-8,880.63

Finding the Fourth Proportional to 15,953.75, 22,016.91 and 8,880.63

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Solution

The fourth proportional to 15,953.75, 22,016.91 and 8,880.63 is: 12,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.75 : 22,016.91 = 8,880.63 : x
  2. Step 2: Convert to fraction form
    15,953.75/22,016.91 = 8,880.63/x
  3. Step 3: Cross multiply
    15,953.75x = 22,016.91 × 8,880.63
  4. Step 4: Simplify right side
    15,953.75x = 195,524,031.45
  5. Step 5: Solve for x
    x = 195,524,031.45/15,953.75
  6. Step 6: Final answer
    x = 12,255.68

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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.