Home / 14,692.39-20,274.50-8,319.65

Finding the Fourth Proportional to 14,692.39, 20,274.50 and 8,319.65

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Solution

The fourth proportional to 14,692.39, 20,274.50 and 8,319.65 is: 11,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.39 : 20,274.50 = 8,319.65 : x
  2. Step 2: Convert to fraction form
    14,692.39/20,274.50 = 8,319.65/x
  3. Step 3: Cross multiply
    14,692.39x = 20,274.50 × 8,319.65
  4. Step 4: Simplify right side
    14,692.39x = 168,676,663.35
  5. Step 5: Solve for x
    x = 168,676,663.35/14,692.39
  6. Step 6: Final answer
    x = 11,480.55

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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.