Home / 10,962.37-15,128.24-6,486.01

Finding the Fourth Proportional to 10,962.37, 15,128.24 and 6,486.01

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Solution

The fourth proportional to 10,962.37, 15,128.24 and 6,486.01 is: 8,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.37 : 15,128.24 = 6,486.01 : x
  2. Step 2: Convert to fraction form
    10,962.37/15,128.24 = 6,486.01/x
  3. Step 3: Cross multiply
    10,962.37x = 15,128.24 × 6,486.01
  4. Step 4: Simplify right side
    10,962.37x = 98,121,845.67
  5. Step 5: Solve for x
    x = 98,121,845.67/10,962.37
  6. Step 6: Final answer
    x = 8,950.79

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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.