Home / 13,931.52-20,883.84-4,692.48

Finding the Fourth Proportional to 13,931.52, 20,883.84 and 4,692.48

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Solution

The fourth proportional to 13,931.52, 20,883.84 and 4,692.48 is: 7,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.52 : 20,883.84 = 4,692.48 : x
  2. Step 2: Convert to fraction form
    13,931.52/20,883.84 = 4,692.48/x
  3. Step 3: Cross multiply
    13,931.52x = 20,883.84 × 4,692.48
  4. Step 4: Simplify right side
    13,931.52x = 97,997,001.52
  5. Step 5: Solve for x
    x = 97,997,001.52/13,931.52
  6. Step 6: Final answer
    x = 7,034.19

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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.