Home / 11,309.04-16,963.74-4,288.32

Finding the Fourth Proportional to 11,309.04, 16,963.74 and 4,288.32

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Solution

The fourth proportional to 11,309.04, 16,963.74 and 4,288.32 is: 6,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.04 : 16,963.74 = 4,288.32 : x
  2. Step 2: Convert to fraction form
    11,309.04/16,963.74 = 4,288.32/x
  3. Step 3: Cross multiply
    11,309.04x = 16,963.74 × 4,288.32
  4. Step 4: Simplify right side
    11,309.04x = 72,745,945.52
  5. Step 5: Solve for x
    x = 72,745,945.52/11,309.04
  6. Step 6: Final answer
    x = 6,432.55

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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.