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Finding the Fourth Proportional to 12,527.58, 18,793.10 and 4,209.98

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Solution

The fourth proportional to 12,527.58, 18,793.10 and 4,209.98 is: 6,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.58 : 18,793.10 = 4,209.98 : x
  2. Step 2: Convert to fraction form
    12,527.58/18,793.10 = 4,209.98/x
  3. Step 3: Cross multiply
    12,527.58x = 18,793.10 × 4,209.98
  4. Step 4: Simplify right side
    12,527.58x = 79,118,575.14
  5. Step 5: Solve for x
    x = 79,118,575.14/12,527.58
  6. Step 6: Final answer
    x = 6,315.55

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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.