Home / 10,129.07-15,188.34-4,579.76

Finding the Fourth Proportional to 10,129.07, 15,188.34 and 4,579.76

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Solution

The fourth proportional to 10,129.07, 15,188.34 and 4,579.76 is: 6,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.07 : 15,188.34 = 4,579.76 : x
  2. Step 2: Convert to fraction form
    10,129.07/15,188.34 = 4,579.76/x
  3. Step 3: Cross multiply
    10,129.07x = 15,188.34 × 4,579.76
  4. Step 4: Simplify right side
    10,129.07x = 69,558,952.00
  5. Step 5: Solve for x
    x = 69,558,952.00/10,129.07
  6. Step 6: Final answer
    x = 6,867.26

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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.