Home / 15,995.49-22,074.45-8,921.91

Finding the Fourth Proportional to 15,995.49, 22,074.45 and 8,921.91

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Solution

The fourth proportional to 15,995.49, 22,074.45 and 8,921.91 is: 12,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.49 : 22,074.45 = 8,921.91 : x
  2. Step 2: Convert to fraction form
    15,995.49/22,074.45 = 8,921.91/x
  3. Step 3: Cross multiply
    15,995.49x = 22,074.45 × 8,921.91
  4. Step 4: Simplify right side
    15,995.49x = 196,946,256.20
  5. Step 5: Solve for x
    x = 196,946,256.20/15,995.49
  6. Step 6: Final answer
    x = 12,312.61

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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.