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Finding the Fourth Proportional to 8,357.64, 12,602.81 and 8,246.46

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Solution

The fourth proportional to 8,357.64, 12,602.81 and 8,246.46 is: 12,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.64 : 12,602.81 = 8,246.46 : x
  2. Step 2: Convert to fraction form
    8,357.64/12,602.81 = 8,246.46/x
  3. Step 3: Cross multiply
    8,357.64x = 12,602.81 × 8,246.46
  4. Step 4: Simplify right side
    8,357.64x = 103,928,568.55
  5. Step 5: Solve for x
    x = 103,928,568.55/8,357.64
  6. Step 6: Final answer
    x = 12,435.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.