Home / 15,006.03-20,708.37-8,291.64

Finding the Fourth Proportional to 15,006.03, 20,708.37 and 8,291.64

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Solution

The fourth proportional to 15,006.03, 20,708.37 and 8,291.64 is: 11,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.03 : 20,708.37 = 8,291.64 : x
  2. Step 2: Convert to fraction form
    15,006.03/20,708.37 = 8,291.64/x
  3. Step 3: Cross multiply
    15,006.03x = 20,708.37 × 8,291.64
  4. Step 4: Simplify right side
    15,006.03x = 171,706,349.03
  5. Step 5: Solve for x
    x = 171,706,349.03/15,006.03
  6. Step 6: Final answer
    x = 11,442.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.