Home / 9,613.20-13,265.16-7,628.70

Finding the Fourth Proportional to 9,613.20, 13,265.16 and 7,628.70

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Solution

The fourth proportional to 9,613.20, 13,265.16 and 7,628.70 is: 10,526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.20 : 13,265.16 = 7,628.70 : x
  2. Step 2: Convert to fraction form
    9,613.20/13,265.16 = 7,628.70/x
  3. Step 3: Cross multiply
    9,613.20x = 13,265.16 × 7,628.70
  4. Step 4: Simplify right side
    9,613.20x = 101,195,926.09
  5. Step 5: Solve for x
    x = 101,195,926.09/9,613.20
  6. Step 6: Final answer
    x = 10,526.77

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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.