Home / 11,675.53-17,581.75-8,411.23

Finding the Fourth Proportional to 11,675.53, 17,581.75 and 8,411.23

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Solution

The fourth proportional to 11,675.53, 17,581.75 and 8,411.23 is: 12,666.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.53 : 17,581.75 = 8,411.23 : x
  2. Step 2: Convert to fraction form
    11,675.53/17,581.75 = 8,411.23/x
  3. Step 3: Cross multiply
    11,675.53x = 17,581.75 × 8,411.23
  4. Step 4: Simplify right side
    11,675.53x = 147,884,143.05
  5. Step 5: Solve for x
    x = 147,884,143.05/11,675.53
  6. Step 6: Final answer
    x = 12,666.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.