Home / 14,555.26-21,851.34-12,119.86

Finding the Fourth Proportional to 14,555.26, 21,851.34 and 12,119.86

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Solution

The fourth proportional to 14,555.26, 21,851.34 and 12,119.86 is: 18,195.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.26 : 21,851.34 = 12,119.86 : x
  2. Step 2: Convert to fraction form
    14,555.26/21,851.34 = 12,119.86/x
  3. Step 3: Cross multiply
    14,555.26x = 21,851.34 × 12,119.86
  4. Step 4: Simplify right side
    14,555.26x = 264,835,181.61
  5. Step 5: Solve for x
    x = 264,835,181.61/14,555.26
  6. Step 6: Final answer
    x = 18,195.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.