Home / 14,005.36-21,007.33-5,239.59

Finding the Fourth Proportional to 14,005.36, 21,007.33 and 5,239.59

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Solution

The fourth proportional to 14,005.36, 21,007.33 and 5,239.59 is: 7,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.36 : 21,007.33 = 5,239.59 : x
  2. Step 2: Convert to fraction form
    14,005.36/21,007.33 = 5,239.59/x
  3. Step 3: Cross multiply
    14,005.36x = 21,007.33 × 5,239.59
  4. Step 4: Simplify right side
    14,005.36x = 110,069,796.19
  5. Step 5: Solve for x
    x = 110,069,796.19/14,005.36
  6. Step 6: Final answer
    x = 7,859.12

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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.