Home / 11,961.74-17,885.62-10,916.06

Finding the Fourth Proportional to 11,961.74, 17,885.62 and 10,916.06

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Solution

The fourth proportional to 11,961.74, 17,885.62 and 10,916.06 is: 16,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.74 : 17,885.62 = 10,916.06 : x
  2. Step 2: Convert to fraction form
    11,961.74/17,885.62 = 10,916.06/x
  3. Step 3: Cross multiply
    11,961.74x = 17,885.62 × 10,916.06
  4. Step 4: Simplify right side
    11,961.74x = 195,240,501.06
  5. Step 5: Solve for x
    x = 195,240,501.06/11,961.74
  6. Step 6: Final answer
    x = 16,322.08

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1.5x scale

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.