Home / 10,891.19-15,027.52-6,413.31

Finding the Fourth Proportional to 10,891.19, 15,027.52 and 6,413.31

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Solution

The fourth proportional to 10,891.19, 15,027.52 and 6,413.31 is: 8,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.19 : 15,027.52 = 6,413.31 : x
  2. Step 2: Convert to fraction form
    10,891.19/15,027.52 = 6,413.31/x
  3. Step 3: Cross multiply
    10,891.19x = 15,027.52 × 6,413.31
  4. Step 4: Simplify right side
    10,891.19x = 96,376,144.29
  5. Step 5: Solve for x
    x = 96,376,144.29/10,891.19
  6. Step 6: Final answer
    x = 8,849.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.