Home / 11,285.16-16,916.69-4,713.23

Finding the Fourth Proportional to 11,285.16, 16,916.69 and 4,713.23

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Solution

The fourth proportional to 11,285.16, 16,916.69 and 4,713.23 is: 7,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.16 : 16,916.69 = 4,713.23 : x
  2. Step 2: Convert to fraction form
    11,285.16/16,916.69 = 4,713.23/x
  3. Step 3: Cross multiply
    11,285.16x = 16,916.69 × 4,713.23
  4. Step 4: Simplify right side
    11,285.16x = 79,732,142.66
  5. Step 5: Solve for x
    x = 79,732,142.66/11,285.16
  6. Step 6: Final answer
    x = 7,065.22

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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.