Home / 15,669.48-21,625.24-8,597.28

Finding the Fourth Proportional to 15,669.48, 21,625.24 and 8,597.28

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Solution

The fourth proportional to 15,669.48, 21,625.24 and 8,597.28 is: 11,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.48 : 21,625.24 = 8,597.28 : x
  2. Step 2: Convert to fraction form
    15,669.48/21,625.24 = 8,597.28/x
  3. Step 3: Cross multiply
    15,669.48x = 21,625.24 × 8,597.28
  4. Step 4: Simplify right side
    15,669.48x = 185,918,243.35
  5. Step 5: Solve for x
    x = 185,918,243.35/15,669.48
  6. Step 6: Final answer
    x = 11,864.99

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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.