Home / 15,652.96-21,602.09-8,579.37

Finding the Fourth Proportional to 15,652.96, 21,602.09 and 8,579.37

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Solution

The fourth proportional to 15,652.96, 21,602.09 and 8,579.37 is: 11,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.96 : 21,602.09 = 8,579.37 : x
  2. Step 2: Convert to fraction form
    15,652.96/21,602.09 = 8,579.37/x
  3. Step 3: Cross multiply
    15,652.96x = 21,602.09 × 8,579.37
  4. Step 4: Simplify right side
    15,652.96x = 185,332,344.33
  5. Step 5: Solve for x
    x = 185,332,344.33/15,652.96
  6. Step 6: Final answer
    x = 11,840.08

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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.