Home / 14,006.07-21,007.44-5,238.63

Finding the Fourth Proportional to 14,006.07, 21,007.44 and 5,238.63

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Solution

The fourth proportional to 14,006.07, 21,007.44 and 5,238.63 is: 7,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.07 : 21,007.44 = 5,238.63 : x
  2. Step 2: Convert to fraction form
    14,006.07/21,007.44 = 5,238.63/x
  3. Step 3: Cross multiply
    14,006.07x = 21,007.44 × 5,238.63
  4. Step 4: Simplify right side
    14,006.07x = 110,050,205.41
  5. Step 5: Solve for x
    x = 110,050,205.41/14,006.07
  6. Step 6: Final answer
    x = 7,857.32

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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.