Home / 13,889.25-19,167.18-7,601.64

Finding the Fourth Proportional to 13,889.25, 19,167.18 and 7,601.64

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Solution

The fourth proportional to 13,889.25, 19,167.18 and 7,601.64 is: 10,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.25 : 19,167.18 = 7,601.64 : x
  2. Step 2: Convert to fraction form
    13,889.25/19,167.18 = 7,601.64/x
  3. Step 3: Cross multiply
    13,889.25x = 19,167.18 × 7,601.64
  4. Step 4: Simplify right side
    13,889.25x = 145,702,002.18
  5. Step 5: Solve for x
    x = 145,702,002.18/13,889.25
  6. Step 6: Final answer
    x = 10,490.27

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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.