Home / 18,445.22-25,454.13-10,378.26

Finding the Fourth Proportional to 18,445.22, 25,454.13 and 10,378.26

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Solution

The fourth proportional to 18,445.22, 25,454.13 and 10,378.26 is: 14,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.22 : 25,454.13 = 10,378.26 : x
  2. Step 2: Convert to fraction form
    18,445.22/25,454.13 = 10,378.26/x
  3. Step 3: Cross multiply
    18,445.22x = 25,454.13 × 10,378.26
  4. Step 4: Simplify right side
    18,445.22x = 264,169,579.21
  5. Step 5: Solve for x
    x = 264,169,579.21/18,445.22
  6. Step 6: Final answer
    x = 14,321.84

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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.