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Finding the Fourth Proportional to 17,803.19, 26,706.30 and 4,655.54

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Solution

The fourth proportional to 17,803.19, 26,706.30 and 4,655.54 is: 6,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.19 : 26,706.30 = 4,655.54 : x
  2. Step 2: Convert to fraction form
    17,803.19/26,706.30 = 4,655.54/x
  3. Step 3: Cross multiply
    17,803.19x = 26,706.30 × 4,655.54
  4. Step 4: Simplify right side
    17,803.19x = 124,332,114.37
  5. Step 5: Solve for x
    x = 124,332,114.37/17,803.19
  6. Step 6: Final answer
    x = 6,983.70

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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.