Home / 12,527.61-18,793.56-4,208.43

Finding the Fourth Proportional to 12,527.61, 18,793.56 and 4,208.43

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Solution

The fourth proportional to 12,527.61, 18,793.56 and 4,208.43 is: 6,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.61 : 18,793.56 = 4,208.43 : x
  2. Step 2: Convert to fraction form
    12,527.61/18,793.56 = 4,208.43/x
  3. Step 3: Cross multiply
    12,527.61x = 18,793.56 × 4,208.43
  4. Step 4: Simplify right side
    12,527.61x = 79,091,381.71
  5. Step 5: Solve for x
    x = 79,091,381.71/12,527.61
  6. Step 6: Final answer
    x = 6,313.37

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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.