Home / 8,346.27-12,501.40-7,855.56

Finding the Fourth Proportional to 8,346.27, 12,501.40 and 7,855.56

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Solution

The fourth proportional to 8,346.27, 12,501.40 and 7,855.56 is: 11,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.27 : 12,501.40 = 7,855.56 : x
  2. Step 2: Convert to fraction form
    8,346.27/12,501.40 = 7,855.56/x
  3. Step 3: Cross multiply
    8,346.27x = 12,501.40 × 7,855.56
  4. Step 4: Simplify right side
    8,346.27x = 98,205,466.53
  5. Step 5: Solve for x
    x = 98,205,466.53/8,346.27
  6. Step 6: Final answer
    x = 11,766.40

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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.