Home / 14,818.22-20,443.31-9,143.08

Finding the Fourth Proportional to 14,818.22, 20,443.31 and 9,143.08

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Solution

The fourth proportional to 14,818.22, 20,443.31 and 9,143.08 is: 12,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.22 : 20,443.31 = 9,143.08 : x
  2. Step 2: Convert to fraction form
    14,818.22/20,443.31 = 9,143.08/x
  3. Step 3: Cross multiply
    14,818.22x = 20,443.31 × 9,143.08
  4. Step 4: Simplify right side
    14,818.22x = 186,914,670.86
  5. Step 5: Solve for x
    x = 186,914,670.86/14,818.22
  6. Step 6: Final answer
    x = 12,613.84

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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.