Home / 13,589.02-18,761.96-8,492.26

Finding the Fourth Proportional to 13,589.02, 18,761.96 and 8,492.26

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Solution

The fourth proportional to 13,589.02, 18,761.96 and 8,492.26 is: 11,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.02 : 18,761.96 = 8,492.26 : x
  2. Step 2: Convert to fraction form
    13,589.02/18,761.96 = 8,492.26/x
  3. Step 3: Cross multiply
    13,589.02x = 18,761.96 × 8,492.26
  4. Step 4: Simplify right side
    13,589.02x = 159,331,442.43
  5. Step 5: Solve for x
    x = 159,331,442.43/13,589.02
  6. Step 6: Final answer
    x = 11,725.01

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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.