Home / 13,889.52-20,835.90-4,527.18

Finding the Fourth Proportional to 13,889.52, 20,835.90 and 4,527.18

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Solution

The fourth proportional to 13,889.52, 20,835.90 and 4,527.18 is: 6,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.52 : 20,835.90 = 4,527.18 : x
  2. Step 2: Convert to fraction form
    13,889.52/20,835.90 = 4,527.18/x
  3. Step 3: Cross multiply
    13,889.52x = 20,835.90 × 4,527.18
  4. Step 4: Simplify right side
    13,889.52x = 94,327,869.76
  5. Step 5: Solve for x
    x = 94,327,869.76/13,889.52
  6. Step 6: Final answer
    x = 6,791.30

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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.