Home / 15,652.34-21,599.25-8,578.26

Finding the Fourth Proportional to 15,652.34, 21,599.25 and 8,578.26

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Solution

The fourth proportional to 15,652.34, 21,599.25 and 8,578.26 is: 11,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.34 : 21,599.25 = 8,578.26 : x
  2. Step 2: Convert to fraction form
    15,652.34/21,599.25 = 8,578.26/x
  3. Step 3: Cross multiply
    15,652.34x = 21,599.25 × 8,578.26
  4. Step 4: Simplify right side
    15,652.34x = 185,283,982.31
  5. Step 5: Solve for x
    x = 185,283,982.31/15,652.34
  6. Step 6: Final answer
    x = 11,837.46

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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.