Home / 15,284.35-22,821.95-13,692.82

Finding the Fourth Proportional to 15,284.35, 22,821.95 and 13,692.82

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Solution

The fourth proportional to 15,284.35, 22,821.95 and 13,692.82 is: 20,445.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.35 : 22,821.95 = 13,692.82 : x
  2. Step 2: Convert to fraction form
    15,284.35/22,821.95 = 13,692.82/x
  3. Step 3: Cross multiply
    15,284.35x = 22,821.95 × 13,692.82
  4. Step 4: Simplify right side
    15,284.35x = 312,496,853.40
  5. Step 5: Solve for x
    x = 312,496,853.40/15,284.35
  6. Step 6: Final answer
    x = 20,445.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.