Home / 14,456.45-21,686.70-6,136.40

Finding the Fourth Proportional to 14,456.45, 21,686.70 and 6,136.40

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Solution

The fourth proportional to 14,456.45, 21,686.70 and 6,136.40 is: 9,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.45 : 21,686.70 = 6,136.40 : x
  2. Step 2: Convert to fraction form
    14,456.45/21,686.70 = 6,136.40/x
  3. Step 3: Cross multiply
    14,456.45x = 21,686.70 × 6,136.40
  4. Step 4: Simplify right side
    14,456.45x = 133,078,265.88
  5. Step 5: Solve for x
    x = 133,078,265.88/14,456.45
  6. Step 6: Final answer
    x = 9,205.46

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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.