Home / 9,718.92-13,412.79-5,527.17

Finding the Fourth Proportional to 9,718.92, 13,412.79 and 5,527.17

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Solution

The fourth proportional to 9,718.92, 13,412.79 and 5,527.17 is: 7,627.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.92 : 13,412.79 = 5,527.17 : x
  2. Step 2: Convert to fraction form
    9,718.92/13,412.79 = 5,527.17/x
  3. Step 3: Cross multiply
    9,718.92x = 13,412.79 × 5,527.17
  4. Step 4: Simplify right side
    9,718.92x = 74,134,770.50
  5. Step 5: Solve for x
    x = 74,134,770.50/9,718.92
  6. Step 6: Final answer
    x = 7,627.88

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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.