Home / 10,720.88-14,795.76-6,005.13

Finding the Fourth Proportional to 10,720.88, 14,795.76 and 6,005.13

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Solution

The fourth proportional to 10,720.88, 14,795.76 and 6,005.13 is: 8,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.88 : 14,795.76 = 6,005.13 : x
  2. Step 2: Convert to fraction form
    10,720.88/14,795.76 = 6,005.13/x
  3. Step 3: Cross multiply
    10,720.88x = 14,795.76 × 6,005.13
  4. Step 4: Simplify right side
    10,720.88x = 88,850,462.25
  5. Step 5: Solve for x
    x = 88,850,462.25/10,720.88
  6. Step 6: Final answer
    x = 8,287.61

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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.