Home / 13,692.15-20,538.23-4,927.77

Finding the Fourth Proportional to 13,692.15, 20,538.23 and 4,927.77

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Solution

The fourth proportional to 13,692.15, 20,538.23 and 4,927.77 is: 7,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.15 : 20,538.23 = 4,927.77 : x
  2. Step 2: Convert to fraction form
    13,692.15/20,538.23 = 4,927.77/x
  3. Step 3: Cross multiply
    13,692.15x = 20,538.23 × 4,927.77
  4. Step 4: Simplify right side
    13,692.15x = 101,207,649.01
  5. Step 5: Solve for x
    x = 101,207,649.01/13,692.15
  6. Step 6: Final answer
    x = 7,391.66

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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.