Home / 12,815.17-19,221.73-4,050.16

Finding the Fourth Proportional to 12,815.17, 19,221.73 and 4,050.16

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Solution

The fourth proportional to 12,815.17, 19,221.73 and 4,050.16 is: 6,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815.17 : 19,221.73 = 4,050.16 : x
  2. Step 2: Convert to fraction form
    12,815.17/19,221.73 = 4,050.16/x
  3. Step 3: Cross multiply
    12,815.17x = 19,221.73 × 4,050.16
  4. Step 4: Simplify right side
    12,815.17x = 77,851,081.98
  5. Step 5: Solve for x
    x = 77,851,081.98/12,815.17
  6. Step 6: Final answer
    x = 6,074.92

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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.