Home / 12,789.10-19,159.88-6,950.62

Finding the Fourth Proportional to 12,789.10, 19,159.88 and 6,950.62

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Solution

The fourth proportional to 12,789.10, 19,159.88 and 6,950.62 is: 10,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.10 : 19,159.88 = 6,950.62 : x
  2. Step 2: Convert to fraction form
    12,789.10/19,159.88 = 6,950.62/x
  3. Step 3: Cross multiply
    12,789.10x = 19,159.88 × 6,950.62
  4. Step 4: Simplify right side
    12,789.10x = 133,173,045.13
  5. Step 5: Solve for x
    x = 133,173,045.13/12,789.10
  6. Step 6: Final answer
    x = 10,413.01

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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.