Home / 11,810.17-17,717.43-4,885.21

Finding the Fourth Proportional to 11,810.17, 17,717.43 and 4,885.21

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Solution

The fourth proportional to 11,810.17, 17,717.43 and 4,885.21 is: 7,328.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.17 : 17,717.43 = 4,885.21 : x
  2. Step 2: Convert to fraction form
    11,810.17/17,717.43 = 4,885.21/x
  3. Step 3: Cross multiply
    11,810.17x = 17,717.43 × 4,885.21
  4. Step 4: Simplify right side
    11,810.17x = 86,553,265.41
  5. Step 5: Solve for x
    x = 86,553,265.41/11,810.17
  6. Step 6: Final answer
    x = 7,328.71

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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.