Home / 17,487.86-24,128.97-11,208.74

Finding the Fourth Proportional to 17,487.86, 24,128.97 and 11,208.74

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Solution

The fourth proportional to 17,487.86, 24,128.97 and 11,208.74 is: 15,465.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.86 : 24,128.97 = 11,208.74 : x
  2. Step 2: Convert to fraction form
    17,487.86/24,128.97 = 11,208.74/x
  3. Step 3: Cross multiply
    17,487.86x = 24,128.97 × 11,208.74
  4. Step 4: Simplify right side
    17,487.86x = 270,455,351.20
  5. Step 5: Solve for x
    x = 270,455,351.20/17,487.86
  6. Step 6: Final answer
    x = 15,465.32

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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.