Home / 8,303.38-12,476.60-6,242.81

Finding the Fourth Proportional to 8,303.38, 12,476.60 and 6,242.81

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Solution

The fourth proportional to 8,303.38, 12,476.60 and 6,242.81 is: 9,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.38 : 12,476.60 = 6,242.81 : x
  2. Step 2: Convert to fraction form
    8,303.38/12,476.60 = 6,242.81/x
  3. Step 3: Cross multiply
    8,303.38x = 12,476.60 × 6,242.81
  4. Step 4: Simplify right side
    8,303.38x = 77,889,043.25
  5. Step 5: Solve for x
    x = 77,889,043.25/8,303.38
  6. Step 6: Final answer
    x = 9,380.40

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1.5x scale

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.