Home / 11,591.32-17,386.98-5,433.88

Finding the Fourth Proportional to 11,591.32, 17,386.98 and 5,433.88

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Solution

The fourth proportional to 11,591.32, 17,386.98 and 5,433.88 is: 8,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.32 : 17,386.98 = 5,433.88 : x
  2. Step 2: Convert to fraction form
    11,591.32/17,386.98 = 5,433.88/x
  3. Step 3: Cross multiply
    11,591.32x = 17,386.98 × 5,433.88
  4. Step 4: Simplify right side
    11,591.32x = 94,478,762.88
  5. Step 5: Solve for x
    x = 94,478,762.88/11,591.32
  6. Step 6: Final answer
    x = 8,150.82

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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.