Home / 19,840.95-29,760.82-6,692.22

Finding the Fourth Proportional to 19,840.95, 29,760.82 and 6,692.22

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Solution

The fourth proportional to 19,840.95, 29,760.82 and 6,692.22 is: 10,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.95 : 29,760.82 = 6,692.22 : x
  2. Step 2: Convert to fraction form
    19,840.95/29,760.82 = 6,692.22/x
  3. Step 3: Cross multiply
    19,840.95x = 29,760.82 × 6,692.22
  4. Step 4: Simplify right side
    19,840.95x = 199,165,938.09
  5. Step 5: Solve for x
    x = 199,165,938.09/19,840.95
  6. Step 6: Final answer
    x = 10,038.13

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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.