Home / 12,548.04-18,819-4,225.89

Finding the Fourth Proportional to 12,548.04, 18,819 and 4,225.89

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Solution

The fourth proportional to 12,548.04, 18,819 and 4,225.89 is: 6,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.04 : 18,819 = 4,225.89 : x
  2. Step 2: Convert to fraction form
    12,548.04/18,819 = 4,225.89/x
  3. Step 3: Cross multiply
    12,548.04x = 18,819 × 4,225.89
  4. Step 4: Simplify right side
    12,548.04x = 79,527,023.91
  5. Step 5: Solve for x
    x = 79,527,023.91/12,548.04
  6. Step 6: Final answer
    x = 6,337.80

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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.