Home / 10,608.02-15,887.80-5,065.26

Finding the Fourth Proportional to 10,608.02, 15,887.80 and 5,065.26

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Solution

The fourth proportional to 10,608.02, 15,887.80 and 5,065.26 is: 7,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.02 : 15,887.80 = 5,065.26 : x
  2. Step 2: Convert to fraction form
    10,608.02/15,887.80 = 5,065.26/x
  3. Step 3: Cross multiply
    10,608.02x = 15,887.80 × 5,065.26
  4. Step 4: Simplify right side
    10,608.02x = 80,475,837.83
  5. Step 5: Solve for x
    x = 80,475,837.83/10,608.02
  6. Step 6: Final answer
    x = 7,586.32

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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.