Home / 13,889.27-19,167.54-7,601.65

Finding the Fourth Proportional to 13,889.27, 19,167.54 and 7,601.65

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Solution

The fourth proportional to 13,889.27, 19,167.54 and 7,601.65 is: 10,490.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.27 : 19,167.54 = 7,601.65 : x
  2. Step 2: Convert to fraction form
    13,889.27/19,167.54 = 7,601.65/x
  3. Step 3: Cross multiply
    13,889.27x = 19,167.54 × 7,601.65
  4. Step 4: Simplify right side
    13,889.27x = 145,704,854.02
  5. Step 5: Solve for x
    x = 145,704,854.02/13,889.27
  6. Step 6: Final answer
    x = 10,490.46

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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.