Home / 14,028.29-21,021.14-10,312.82

Finding the Fourth Proportional to 14,028.29, 21,021.14 and 10,312.82

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Solution

The fourth proportional to 14,028.29, 21,021.14 and 10,312.82 is: 15,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.29 : 21,021.14 = 10,312.82 : x
  2. Step 2: Convert to fraction form
    14,028.29/21,021.14 = 10,312.82/x
  3. Step 3: Cross multiply
    14,028.29x = 21,021.14 × 10,312.82
  4. Step 4: Simplify right side
    14,028.29x = 216,787,233.01
  5. Step 5: Solve for x
    x = 216,787,233.01/14,028.29
  6. Step 6: Final answer
    x = 15,453.58

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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.