Home / 11,430.69-17,148.65-4,857.09

Finding the Fourth Proportional to 11,430.69, 17,148.65 and 4,857.09

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Solution

The fourth proportional to 11,430.69, 17,148.65 and 4,857.09 is: 7,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.69 : 17,148.65 = 4,857.09 : x
  2. Step 2: Convert to fraction form
    11,430.69/17,148.65 = 4,857.09/x
  3. Step 3: Cross multiply
    11,430.69x = 17,148.65 × 4,857.09
  4. Step 4: Simplify right side
    11,430.69x = 83,292,512.14
  5. Step 5: Solve for x
    x = 83,292,512.14/11,430.69
  6. Step 6: Final answer
    x = 7,286.74

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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.