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Finding the Fourth Proportional to 10,883.74, 15,016.94 and 6,903.40

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Solution

The fourth proportional to 10,883.74, 15,016.94 and 6,903.40 is: 9,525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883.74 : 15,016.94 = 6,903.40 : x
  2. Step 2: Convert to fraction form
    10,883.74/15,016.94 = 6,903.40/x
  3. Step 3: Cross multiply
    10,883.74x = 15,016.94 × 6,903.40
  4. Step 4: Simplify right side
    10,883.74x = 103,667,871.54
  5. Step 5: Solve for x
    x = 103,667,871.54/10,883.74
  6. Step 6: Final answer
    x = 9,525.02

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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.