Home / 14,005.24-21,007.12-5,239.49

Finding the Fourth Proportional to 14,005.24, 21,007.12 and 5,239.49

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Solution

The fourth proportional to 14,005.24, 21,007.12 and 5,239.49 is: 7,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.24 : 21,007.12 = 5,239.49 : x
  2. Step 2: Convert to fraction form
    14,005.24/21,007.12 = 5,239.49/x
  3. Step 3: Cross multiply
    14,005.24x = 21,007.12 × 5,239.49
  4. Step 4: Simplify right side
    14,005.24x = 110,066,529.55
  5. Step 5: Solve for x
    x = 110,066,529.55/14,005.24
  6. Step 6: Final answer
    x = 7,858.95

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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.