Home / 15,610.18-21,539.62-8,896.08

Finding the Fourth Proportional to 15,610.18, 21,539.62 and 8,896.08

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Solution

The fourth proportional to 15,610.18, 21,539.62 and 8,896.08 is: 12,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.18 : 21,539.62 = 8,896.08 : x
  2. Step 2: Convert to fraction form
    15,610.18/21,539.62 = 8,896.08/x
  3. Step 3: Cross multiply
    15,610.18x = 21,539.62 × 8,896.08
  4. Step 4: Simplify right side
    15,610.18x = 191,618,182.69
  5. Step 5: Solve for x
    x = 191,618,182.69/15,610.18
  6. Step 6: Final answer
    x = 12,275.21

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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.