Home / 12,523.18-18,784.74-4,203.22

Finding the Fourth Proportional to 12,523.18, 18,784.74 and 4,203.22

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Solution

The fourth proportional to 12,523.18, 18,784.74 and 4,203.22 is: 6,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.18 : 18,784.74 = 4,203.22 : x
  2. Step 2: Convert to fraction form
    12,523.18/18,784.74 = 4,203.22/x
  3. Step 3: Cross multiply
    12,523.18x = 18,784.74 × 4,203.22
  4. Step 4: Simplify right side
    12,523.18x = 78,956,394.86
  5. Step 5: Solve for x
    x = 78,956,394.86/12,523.18
  6. Step 6: Final answer
    x = 6,304.82

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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.