Home / 15,816.72-23,709.60-8,886

Finding the Fourth Proportional to 15,816.72, 23,709.60 and 8,886

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Solution

The fourth proportional to 15,816.72, 23,709.60 and 8,886 is: 13,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,816.72 : 23,709.60 = 8,886 : x
  2. Step 2: Convert to fraction form
    15,816.72/23,709.60 = 8,886/x
  3. Step 3: Cross multiply
    15,816.72x = 23,709.60 × 8,886
  4. Step 4: Simplify right side
    15,816.72x = 210,683,505.60
  5. Step 5: Solve for x
    x = 210,683,505.60/15,816.72
  6. Step 6: Final answer
    x = 13,320.30

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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.