Home / 13,006.88-19,472.24-8,061.60

Finding the Fourth Proportional to 13,006.88, 19,472.24 and 8,061.60

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Solution

The fourth proportional to 13,006.88, 19,472.24 and 8,061.60 is: 12,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.88 : 19,472.24 = 8,061.60 : x
  2. Step 2: Convert to fraction form
    13,006.88/19,472.24 = 8,061.60/x
  3. Step 3: Cross multiply
    13,006.88x = 19,472.24 × 8,061.60
  4. Step 4: Simplify right side
    13,006.88x = 156,977,409.98
  5. Step 5: Solve for x
    x = 156,977,409.98/13,006.88
  6. Step 6: Final answer
    x = 12,068.80

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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.