Home / 10,168.44-14,031.92-5,692.20

Finding the Fourth Proportional to 10,168.44, 14,031.92 and 5,692.20

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Solution

The fourth proportional to 10,168.44, 14,031.92 and 5,692.20 is: 7,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.44 : 14,031.92 = 5,692.20 : x
  2. Step 2: Convert to fraction form
    10,168.44/14,031.92 = 5,692.20/x
  3. Step 3: Cross multiply
    10,168.44x = 14,031.92 × 5,692.20
  4. Step 4: Simplify right side
    10,168.44x = 79,872,495.02
  5. Step 5: Solve for x
    x = 79,872,495.02/10,168.44
  6. Step 6: Final answer
    x = 7,854.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.