Home / 9,895.40-13,656.68-5,864.63

Finding the Fourth Proportional to 9,895.40, 13,656.68 and 5,864.63

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Solution

The fourth proportional to 9,895.40, 13,656.68 and 5,864.63 is: 8,093.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.40 : 13,656.68 = 5,864.63 : x
  2. Step 2: Convert to fraction form
    9,895.40/13,656.68 = 5,864.63/x
  3. Step 3: Cross multiply
    9,895.40x = 13,656.68 × 5,864.63
  4. Step 4: Simplify right side
    9,895.40x = 80,091,277.62
  5. Step 5: Solve for x
    x = 80,091,277.62/9,895.40
  6. Step 6: Final answer
    x = 8,093.79

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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.