Home / 12,815.61-19,226.13-4,051.18

Finding the Fourth Proportional to 12,815.61, 19,226.13 and 4,051.18

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Solution

The fourth proportional to 12,815.61, 19,226.13 and 4,051.18 is: 6,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815.61 : 19,226.13 = 4,051.18 : x
  2. Step 2: Convert to fraction form
    12,815.61/19,226.13 = 4,051.18/x
  3. Step 3: Cross multiply
    12,815.61x = 19,226.13 × 4,051.18
  4. Step 4: Simplify right side
    12,815.61x = 77,888,513.33
  5. Step 5: Solve for x
    x = 77,888,513.33/12,815.61
  6. Step 6: Final answer
    x = 6,077.63

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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.