Home / 10,077.79-15,108.79-6,372.25

Finding the Fourth Proportional to 10,077.79, 15,108.79 and 6,372.25

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Solution

The fourth proportional to 10,077.79, 15,108.79 and 6,372.25 is: 9,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.79 : 15,108.79 = 6,372.25 : x
  2. Step 2: Convert to fraction form
    10,077.79/15,108.79 = 6,372.25/x
  3. Step 3: Cross multiply
    10,077.79x = 15,108.79 × 6,372.25
  4. Step 4: Simplify right side
    10,077.79x = 96,276,987.08
  5. Step 5: Solve for x
    x = 96,276,987.08/10,077.79
  6. Step 6: Final answer
    x = 9,553.38

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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.