Home / 11,077.59-15,289.44-6,364.47

Finding the Fourth Proportional to 11,077.59, 15,289.44 and 6,364.47

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Solution

The fourth proportional to 11,077.59, 15,289.44 and 6,364.47 is: 8,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.59 : 15,289.44 = 6,364.47 : x
  2. Step 2: Convert to fraction form
    11,077.59/15,289.44 = 6,364.47/x
  3. Step 3: Cross multiply
    11,077.59x = 15,289.44 × 6,364.47
  4. Step 4: Simplify right side
    11,077.59x = 97,309,182.20
  5. Step 5: Solve for x
    x = 97,309,182.20/11,077.59
  6. Step 6: Final answer
    x = 8,784.33

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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.