Home / 13,946.63-20,923.36-6,542.47

Finding the Fourth Proportional to 13,946.63, 20,923.36 and 6,542.47

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Solution

The fourth proportional to 13,946.63, 20,923.36 and 6,542.47 is: 9,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.63 : 20,923.36 = 6,542.47 : x
  2. Step 2: Convert to fraction form
    13,946.63/20,923.36 = 6,542.47/x
  3. Step 3: Cross multiply
    13,946.63x = 20,923.36 × 6,542.47
  4. Step 4: Simplify right side
    13,946.63x = 136,890,501.70
  5. Step 5: Solve for x
    x = 136,890,501.70/13,946.63
  6. Step 6: Final answer
    x = 9,815.31

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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.