Home / 12,916.32-19,372.64-4,150.10

Finding the Fourth Proportional to 12,916.32, 19,372.64 and 4,150.10

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Solution

The fourth proportional to 12,916.32, 19,372.64 and 4,150.10 is: 6,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.32 : 19,372.64 = 4,150.10 : x
  2. Step 2: Convert to fraction form
    12,916.32/19,372.64 = 4,150.10/x
  3. Step 3: Cross multiply
    12,916.32x = 19,372.64 × 4,150.10
  4. Step 4: Simplify right side
    12,916.32x = 80,398,393.26
  5. Step 5: Solve for x
    x = 80,398,393.26/12,916.32
  6. Step 6: Final answer
    x = 6,224.56

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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.