Home / 15,995.57-22,072.35-8,922.45

Finding the Fourth Proportional to 15,995.57, 22,072.35 and 8,922.45

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Solution

The fourth proportional to 15,995.57, 22,072.35 and 8,922.45 is: 12,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.57 : 22,072.35 = 8,922.45 : x
  2. Step 2: Convert to fraction form
    15,995.57/22,072.35 = 8,922.45/x
  3. Step 3: Cross multiply
    15,995.57x = 22,072.35 × 8,922.45
  4. Step 4: Simplify right side
    15,995.57x = 196,939,439.26
  5. Step 5: Solve for x
    x = 196,939,439.26/15,995.57
  6. Step 6: Final answer
    x = 12,312.12

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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.