Home / 11,212.47-15,473.14-6,176.58

Finding the Fourth Proportional to 11,212.47, 15,473.14 and 6,176.58

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Solution

The fourth proportional to 11,212.47, 15,473.14 and 6,176.58 is: 8,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.47 : 15,473.14 = 6,176.58 : x
  2. Step 2: Convert to fraction form
    11,212.47/15,473.14 = 6,176.58/x
  3. Step 3: Cross multiply
    11,212.47x = 15,473.14 × 6,176.58
  4. Step 4: Simplify right side
    11,212.47x = 95,571,017.50
  5. Step 5: Solve for x
    x = 95,571,017.50/11,212.47
  6. Step 6: Final answer
    x = 8,523.64

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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.