Home / 11,390.49-17,077.63-4,364.55

Finding the Fourth Proportional to 11,390.49, 17,077.63 and 4,364.55

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Solution

The fourth proportional to 11,390.49, 17,077.63 and 4,364.55 is: 6,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.49 : 17,077.63 = 4,364.55 : x
  2. Step 2: Convert to fraction form
    11,390.49/17,077.63 = 4,364.55/x
  3. Step 3: Cross multiply
    11,390.49x = 17,077.63 × 4,364.55
  4. Step 4: Simplify right side
    11,390.49x = 74,536,073.72
  5. Step 5: Solve for x
    x = 74,536,073.72/11,390.49
  6. Step 6: Final answer
    x = 6,543.71

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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.