Home / 10,287.36-15,425.55-3,265.47

Finding the Fourth Proportional to 10,287.36, 15,425.55 and 3,265.47

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Solution

The fourth proportional to 10,287.36, 15,425.55 and 3,265.47 is: 4,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287.36 : 15,425.55 = 3,265.47 : x
  2. Step 2: Convert to fraction form
    10,287.36/15,425.55 = 3,265.47/x
  3. Step 3: Cross multiply
    10,287.36x = 15,425.55 × 3,265.47
  4. Step 4: Simplify right side
    10,287.36x = 50,371,670.76
  5. Step 5: Solve for x
    x = 50,371,670.76/10,287.36
  6. Step 6: Final answer
    x = 4,896.46

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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.