Home / 15,919.36-23,862.39-8,889.07

Finding the Fourth Proportional to 15,919.36, 23,862.39 and 8,889.07

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Solution

The fourth proportional to 15,919.36, 23,862.39 and 8,889.07 is: 13,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.36 : 23,862.39 = 8,889.07 : x
  2. Step 2: Convert to fraction form
    15,919.36/23,862.39 = 8,889.07/x
  3. Step 3: Cross multiply
    15,919.36x = 23,862.39 × 8,889.07
  4. Step 4: Simplify right side
    15,919.36x = 212,114,455.08
  5. Step 5: Solve for x
    x = 212,114,455.08/15,919.36
  6. Step 6: Final answer
    x = 13,324.31

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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.