Home / 12,808.67-19,211.99-4,043.66

Finding the Fourth Proportional to 12,808.67, 19,211.99 and 4,043.66

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Solution

The fourth proportional to 12,808.67, 19,211.99 and 4,043.66 is: 6,065.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.67 : 19,211.99 = 4,043.66 : x
  2. Step 2: Convert to fraction form
    12,808.67/19,211.99 = 4,043.66/x
  3. Step 3: Cross multiply
    12,808.67x = 19,211.99 × 4,043.66
  4. Step 4: Simplify right side
    12,808.67x = 77,686,639.21
  5. Step 5: Solve for x
    x = 77,686,639.21/12,808.67
  6. Step 6: Final answer
    x = 6,065.16

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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.