Home / 11,302.04-16,955.87-7,976.78

Finding the Fourth Proportional to 11,302.04, 16,955.87 and 7,976.78

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Solution

The fourth proportional to 11,302.04, 16,955.87 and 7,976.78 is: 11,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,302.04 : 16,955.87 = 7,976.78 : x
  2. Step 2: Convert to fraction form
    11,302.04/16,955.87 = 7,976.78/x
  3. Step 3: Cross multiply
    11,302.04x = 16,955.87 × 7,976.78
  4. Step 4: Simplify right side
    11,302.04x = 135,253,264.64
  5. Step 5: Solve for x
    x = 135,253,264.64/11,302.04
  6. Step 6: Final answer
    x = 11,967.16

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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.