Home / 12,812.61-19,216.76-4,046.25

Finding the Fourth Proportional to 12,812.61, 19,216.76 and 4,046.25

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Solution

The fourth proportional to 12,812.61, 19,216.76 and 4,046.25 is: 6,068.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812.61 : 19,216.76 = 4,046.25 : x
  2. Step 2: Convert to fraction form
    12,812.61/19,216.76 = 4,046.25/x
  3. Step 3: Cross multiply
    12,812.61x = 19,216.76 × 4,046.25
  4. Step 4: Simplify right side
    12,812.61x = 77,755,794.92
  5. Step 5: Solve for x
    x = 77,755,794.92/12,812.61
  6. Step 6: Final answer
    x = 6,068.69

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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.