Home / 11,809.04-16,296.78-6,503.72

Finding the Fourth Proportional to 11,809.04, 16,296.78 and 6,503.72

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Solution

The fourth proportional to 11,809.04, 16,296.78 and 6,503.72 is: 8,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.04 : 16,296.78 = 6,503.72 : x
  2. Step 2: Convert to fraction form
    11,809.04/16,296.78 = 6,503.72/x
  3. Step 3: Cross multiply
    11,809.04x = 16,296.78 × 6,503.72
  4. Step 4: Simplify right side
    11,809.04x = 105,989,694.02
  5. Step 5: Solve for x
    x = 105,989,694.02/11,809.04
  6. Step 6: Final answer
    x = 8,975.30

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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.