Home / 15,589.96-21,513.26-8,877.22

Finding the Fourth Proportional to 15,589.96, 21,513.26 and 8,877.22

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Solution

The fourth proportional to 15,589.96, 21,513.26 and 8,877.22 is: 12,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.96 : 21,513.26 = 8,877.22 : x
  2. Step 2: Convert to fraction form
    15,589.96/21,513.26 = 8,877.22/x
  3. Step 3: Cross multiply
    15,589.96x = 21,513.26 × 8,877.22
  4. Step 4: Simplify right side
    15,589.96x = 190,977,941.94
  5. Step 5: Solve for x
    x = 190,977,941.94/15,589.96
  6. Step 6: Final answer
    x = 12,250.06

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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.