Home / 10,284.33-15,432.87-4,738.47

Finding the Fourth Proportional to 10,284.33, 15,432.87 and 4,738.47

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Solution

The fourth proportional to 10,284.33, 15,432.87 and 4,738.47 is: 7,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.33 : 15,432.87 = 4,738.47 : x
  2. Step 2: Convert to fraction form
    10,284.33/15,432.87 = 4,738.47/x
  3. Step 3: Cross multiply
    10,284.33x = 15,432.87 × 4,738.47
  4. Step 4: Simplify right side
    10,284.33x = 73,128,191.51
  5. Step 5: Solve for x
    x = 73,128,191.51/10,284.33
  6. Step 6: Final answer
    x = 7,110.64

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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.