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Finding the Fourth Proportional to 15,976.35, 22,047.02 and 9,263.17

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Solution

The fourth proportional to 15,976.35, 22,047.02 and 9,263.17 is: 12,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.35 : 22,047.02 = 9,263.17 : x
  2. Step 2: Convert to fraction form
    15,976.35/22,047.02 = 9,263.17/x
  3. Step 3: Cross multiply
    15,976.35x = 22,047.02 × 9,263.17
  4. Step 4: Simplify right side
    15,976.35x = 204,225,247.94
  5. Step 5: Solve for x
    x = 204,225,247.94/15,976.35
  6. Step 6: Final answer
    x = 12,782.97

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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.