Home / 10,820.95-14,930.32-6,105.24

Finding the Fourth Proportional to 10,820.95, 14,930.32 and 6,105.24

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Solution

The fourth proportional to 10,820.95, 14,930.32 and 6,105.24 is: 8,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.95 : 14,930.32 = 6,105.24 : x
  2. Step 2: Convert to fraction form
    10,820.95/14,930.32 = 6,105.24/x
  3. Step 3: Cross multiply
    10,820.95x = 14,930.32 × 6,105.24
  4. Step 4: Simplify right side
    10,820.95x = 91,153,186.88
  5. Step 5: Solve for x
    x = 91,153,186.88/10,820.95
  6. Step 6: Final answer
    x = 8,423.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.