Home / 11,207.47-15,465.70-6,170.74

Finding the Fourth Proportional to 11,207.47, 15,465.70 and 6,170.74

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Solution

The fourth proportional to 11,207.47, 15,465.70 and 6,170.74 is: 8,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.47 : 15,465.70 = 6,170.74 : x
  2. Step 2: Convert to fraction form
    11,207.47/15,465.70 = 6,170.74/x
  3. Step 3: Cross multiply
    11,207.47x = 15,465.70 × 6,170.74
  4. Step 4: Simplify right side
    11,207.47x = 95,434,759.53
  5. Step 5: Solve for x
    x = 95,434,759.53/11,207.47
  6. Step 6: Final answer
    x = 8,515.28

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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.