Home / 13,423.22-18,522.37-7,454.13

Finding the Fourth Proportional to 13,423.22, 18,522.37 and 7,454.13

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Solution

The fourth proportional to 13,423.22, 18,522.37 and 7,454.13 is: 10,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.22 : 18,522.37 = 7,454.13 : x
  2. Step 2: Convert to fraction form
    13,423.22/18,522.37 = 7,454.13/x
  3. Step 3: Cross multiply
    13,423.22x = 18,522.37 × 7,454.13
  4. Step 4: Simplify right side
    13,423.22x = 138,068,093.75
  5. Step 5: Solve for x
    x = 138,068,093.75/13,423.22
  6. Step 6: Final answer
    x = 10,285.77

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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.