Home / 11,916.10-16,424.40-8,373.16

Finding the Fourth Proportional to 11,916.10, 16,424.40 and 8,373.16

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Solution

The fourth proportional to 11,916.10, 16,424.40 and 8,373.16 is: 11,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.10 : 16,424.40 = 8,373.16 : x
  2. Step 2: Convert to fraction form
    11,916.10/16,424.40 = 8,373.16/x
  3. Step 3: Cross multiply
    11,916.10x = 16,424.40 × 8,373.16
  4. Step 4: Simplify right side
    11,916.10x = 137,524,129.10
  5. Step 5: Solve for x
    x = 137,524,129.10/11,916.10
  6. Step 6: Final answer
    x = 11,541.04

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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.