Home / 10,885.59-15,021.35-6,105.17

Finding the Fourth Proportional to 10,885.59, 15,021.35 and 6,105.17

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Solution

The fourth proportional to 10,885.59, 15,021.35 and 6,105.17 is: 8,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.59 : 15,021.35 = 6,105.17 : x
  2. Step 2: Convert to fraction form
    10,885.59/15,021.35 = 6,105.17/x
  3. Step 3: Cross multiply
    10,885.59x = 15,021.35 × 6,105.17
  4. Step 4: Simplify right side
    10,885.59x = 91,707,925.30
  5. Step 5: Solve for x
    x = 91,707,925.30/10,885.59
  6. Step 6: Final answer
    x = 8,424.71

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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.