Home / 15,283.85-22,821.21-13,692.32

Finding the Fourth Proportional to 15,283.85, 22,821.21 and 13,692.32

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Solution

The fourth proportional to 15,283.85, 22,821.21 and 13,692.32 is: 20,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.85 : 22,821.21 = 13,692.32 : x
  2. Step 2: Convert to fraction form
    15,283.85/22,821.21 = 13,692.32/x
  3. Step 3: Cross multiply
    15,283.85x = 22,821.21 × 13,692.32
  4. Step 4: Simplify right side
    15,283.85x = 312,475,241.65
  5. Step 5: Solve for x
    x = 312,475,241.65/15,283.85
  6. Step 6: Final answer
    x = 20,444.80

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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.