Home / 13,889.23-19,167.07-7,515.82

Finding the Fourth Proportional to 13,889.23, 19,167.07 and 7,515.82

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Solution

The fourth proportional to 13,889.23, 19,167.07 and 7,515.82 is: 10,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.23 : 19,167.07 = 7,515.82 : x
  2. Step 2: Convert to fraction form
    13,889.23/19,167.07 = 7,515.82/x
  3. Step 3: Cross multiply
    13,889.23x = 19,167.07 × 7,515.82
  4. Step 4: Simplify right side
    13,889.23x = 144,056,248.05
  5. Step 5: Solve for x
    x = 144,056,248.05/13,889.23
  6. Step 6: Final answer
    x = 10,371.80

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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.