Home / 8,303.13-12,476.23-6,242.56

Finding the Fourth Proportional to 8,303.13, 12,476.23 and 6,242.56

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Solution

The fourth proportional to 8,303.13, 12,476.23 and 6,242.56 is: 9,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.13 : 12,476.23 = 6,242.56 : x
  2. Step 2: Convert to fraction form
    8,303.13/12,476.23 = 6,242.56/x
  3. Step 3: Cross multiply
    8,303.13x = 12,476.23 × 6,242.56
  4. Step 4: Simplify right side
    8,303.13x = 77,883,567.55
  5. Step 5: Solve for x
    x = 77,883,567.55/8,303.13
  6. Step 6: Final answer
    x = 9,380.03

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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.