Home / 10,186.57-15,283.74-5,253.07

Finding the Fourth Proportional to 10,186.57, 15,283.74 and 5,253.07

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Solution

The fourth proportional to 10,186.57, 15,283.74 and 5,253.07 is: 7,881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.57 : 15,283.74 = 5,253.07 : x
  2. Step 2: Convert to fraction form
    10,186.57/15,283.74 = 5,253.07/x
  3. Step 3: Cross multiply
    10,186.57x = 15,283.74 × 5,253.07
  4. Step 4: Simplify right side
    10,186.57x = 80,286,556.08
  5. Step 5: Solve for x
    x = 80,286,556.08/10,186.57
  6. Step 6: Final answer
    x = 7,881.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.