Home / 20,368.18-30,586.14-13,747.27

Finding the Fourth Proportional to 20,368.18, 30,586.14 and 13,747.27

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Solution

The fourth proportional to 20,368.18, 30,586.14 and 13,747.27 is: 20,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.18 : 30,586.14 = 13,747.27 : x
  2. Step 2: Convert to fraction form
    20,368.18/30,586.14 = 13,747.27/x
  3. Step 3: Cross multiply
    20,368.18x = 30,586.14 × 13,747.27
  4. Step 4: Simplify right side
    20,368.18x = 420,475,963.72
  5. Step 5: Solve for x
    x = 420,475,963.72/20,368.18
  6. Step 6: Final answer
    x = 20,643.76

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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.