Home / 12,526.20-18,772.74-5,495.61

Finding the Fourth Proportional to 12,526.20, 18,772.74 and 5,495.61

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Solution

The fourth proportional to 12,526.20, 18,772.74 and 5,495.61 is: 8,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.20 : 18,772.74 = 5,495.61 : x
  2. Step 2: Convert to fraction form
    12,526.20/18,772.74 = 5,495.61/x
  3. Step 3: Cross multiply
    12,526.20x = 18,772.74 × 5,495.61
  4. Step 4: Simplify right side
    12,526.20x = 103,167,657.67
  5. Step 5: Solve for x
    x = 103,167,657.67/12,526.20
  6. Step 6: Final answer
    x = 8,236.15

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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.