Home / 13,962.27-20,946.34-4,100.72

Finding the Fourth Proportional to 13,962.27, 20,946.34 and 4,100.72

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Solution

The fourth proportional to 13,962.27, 20,946.34 and 4,100.72 is: 6,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.27 : 20,946.34 = 4,100.72 : x
  2. Step 2: Convert to fraction form
    13,962.27/20,946.34 = 4,100.72/x
  3. Step 3: Cross multiply
    13,962.27x = 20,946.34 × 4,100.72
  4. Step 4: Simplify right side
    13,962.27x = 85,895,075.36
  5. Step 5: Solve for x
    x = 85,895,075.36/13,962.27
  6. Step 6: Final answer
    x = 6,151.94

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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.