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Finding the Fourth Proportional to 10,738, 14,815.20 and 6,763.06

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Solution

The fourth proportional to 10,738, 14,815.20 and 6,763.06 is: 9,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,738 : 14,815.20 = 6,763.06 : x
  2. Step 2: Convert to fraction form
    10,738/14,815.20 = 6,763.06/x
  3. Step 3: Cross multiply
    10,738x = 14,815.20 × 6,763.06
  4. Step 4: Simplify right side
    10,738x = 100,196,086.51
  5. Step 5: Solve for x
    x = 100,196,086.51/10,738
  6. Step 6: Final answer
    x = 9,330.98

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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.