Home / 11,949.02-16,491.30-6,916.19

Finding the Fourth Proportional to 11,949.02, 16,491.30 and 6,916.19

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Solution

The fourth proportional to 11,949.02, 16,491.30 and 6,916.19 is: 9,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.02 : 16,491.30 = 6,916.19 : x
  2. Step 2: Convert to fraction form
    11,949.02/16,491.30 = 6,916.19/x
  3. Step 3: Cross multiply
    11,949.02x = 16,491.30 × 6,916.19
  4. Step 4: Simplify right side
    11,949.02x = 114,056,855.75
  5. Step 5: Solve for x
    x = 114,056,855.75/11,949.02
  6. Step 6: Final answer
    x = 9,545.29

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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.