Home / 12,612.06-18,900.77-6,376.25

Finding the Fourth Proportional to 12,612.06, 18,900.77 and 6,376.25

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Solution

The fourth proportional to 12,612.06, 18,900.77 and 6,376.25 is: 9,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.06 : 18,900.77 = 6,376.25 : x
  2. Step 2: Convert to fraction form
    12,612.06/18,900.77 = 6,376.25/x
  3. Step 3: Cross multiply
    12,612.06x = 18,900.77 × 6,376.25
  4. Step 4: Simplify right side
    12,612.06x = 120,516,050.08
  5. Step 5: Solve for x
    x = 120,516,050.08/12,612.06
  6. Step 6: Final answer
    x = 9,555.62

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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.