Home / 9,806.42-13,532.67-5,330.09

Finding the Fourth Proportional to 9,806.42, 13,532.67 and 5,330.09

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Solution

The fourth proportional to 9,806.42, 13,532.67 and 5,330.09 is: 7,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,806.42 : 13,532.67 = 5,330.09 : x
  2. Step 2: Convert to fraction form
    9,806.42/13,532.67 = 5,330.09/x
  3. Step 3: Cross multiply
    9,806.42x = 13,532.67 × 5,330.09
  4. Step 4: Simplify right side
    9,806.42x = 72,130,349.04
  5. Step 5: Solve for x
    x = 72,130,349.04/9,806.42
  6. Step 6: Final answer
    x = 7,355.42

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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.