Home / 10,182.51-15,282.01-5,253.56

Finding the Fourth Proportional to 10,182.51, 15,282.01 and 5,253.56

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Solution

The fourth proportional to 10,182.51, 15,282.01 and 5,253.56 is: 7,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,182.51 : 15,282.01 = 5,253.56 : x
  2. Step 2: Convert to fraction form
    10,182.51/15,282.01 = 5,253.56/x
  3. Step 3: Cross multiply
    10,182.51x = 15,282.01 × 5,253.56
  4. Step 4: Simplify right side
    10,182.51x = 80,284,880.05
  5. Step 5: Solve for x
    x = 80,284,880.05/10,182.51
  6. Step 6: Final answer
    x = 7,884.59

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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.