Home / 15,325.31-21,148.94-8,610.93

Finding the Fourth Proportional to 15,325.31, 21,148.94 and 8,610.93

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Solution

The fourth proportional to 15,325.31, 21,148.94 and 8,610.93 is: 11,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325.31 : 21,148.94 = 8,610.93 : x
  2. Step 2: Convert to fraction form
    15,325.31/21,148.94 = 8,610.93/x
  3. Step 3: Cross multiply
    15,325.31x = 21,148.94 × 8,610.93
  4. Step 4: Simplify right side
    15,325.31x = 182,111,998.86
  5. Step 5: Solve for x
    x = 182,111,998.86/15,325.31
  6. Step 6: Final answer
    x = 11,883.09

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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.