Home / 13,999.26-21,006.18-6,206.26

Finding the Fourth Proportional to 13,999.26, 21,006.18 and 6,206.26

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Solution

The fourth proportional to 13,999.26, 21,006.18 and 6,206.26 is: 9,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.26 : 21,006.18 = 6,206.26 : x
  2. Step 2: Convert to fraction form
    13,999.26/21,006.18 = 6,206.26/x
  3. Step 3: Cross multiply
    13,999.26x = 21,006.18 × 6,206.26
  4. Step 4: Simplify right side
    13,999.26x = 130,369,814.69
  5. Step 5: Solve for x
    x = 130,369,814.69/13,999.26
  6. Step 6: Final answer
    x = 9,312.62

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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.