Home / 9,685.11-13,362.80-5,908.89

Finding the Fourth Proportional to 9,685.11, 13,362.80 and 5,908.89

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Solution

The fourth proportional to 9,685.11, 13,362.80 and 5,908.89 is: 8,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.11 : 13,362.80 = 5,908.89 : x
  2. Step 2: Convert to fraction form
    9,685.11/13,362.80 = 5,908.89/x
  3. Step 3: Cross multiply
    9,685.11x = 13,362.80 × 5,908.89
  4. Step 4: Simplify right side
    9,685.11x = 78,959,285.75
  5. Step 5: Solve for x
    x = 78,959,285.75/9,685.11
  6. Step 6: Final answer
    x = 8,152.65

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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.