Home / 12,866.67-19,293.84-6,285.15

Finding the Fourth Proportional to 12,866.67, 19,293.84 and 6,285.15

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Solution

The fourth proportional to 12,866.67, 19,293.84 and 6,285.15 is: 9,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.67 : 19,293.84 = 6,285.15 : x
  2. Step 2: Convert to fraction form
    12,866.67/19,293.84 = 6,285.15/x
  3. Step 3: Cross multiply
    12,866.67x = 19,293.84 × 6,285.15
  4. Step 4: Simplify right side
    12,866.67x = 121,264,678.48
  5. Step 5: Solve for x
    x = 121,264,678.48/12,866.67
  6. Step 6: Final answer
    x = 9,424.71

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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.