Home / 13,852.11-19,116.63-8,472.86

Finding the Fourth Proportional to 13,852.11, 19,116.63 and 8,472.86

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Solution

The fourth proportional to 13,852.11, 19,116.63 and 8,472.86 is: 11,692.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.11 : 19,116.63 = 8,472.86 : x
  2. Step 2: Convert to fraction form
    13,852.11/19,116.63 = 8,472.86/x
  3. Step 3: Cross multiply
    13,852.11x = 19,116.63 × 8,472.86
  4. Step 4: Simplify right side
    13,852.11x = 161,972,487.30
  5. Step 5: Solve for x
    x = 161,972,487.30/13,852.11
  6. Step 6: Final answer
    x = 11,692.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.