Home / 14,301.18-21,447.72-9,028.28

Finding the Fourth Proportional to 14,301.18, 21,447.72 and 9,028.28

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Solution

The fourth proportional to 14,301.18, 21,447.72 and 9,028.28 is: 13,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.18 : 21,447.72 = 9,028.28 : x
  2. Step 2: Convert to fraction form
    14,301.18/21,447.72 = 9,028.28/x
  3. Step 3: Cross multiply
    14,301.18x = 21,447.72 × 9,028.28
  4. Step 4: Simplify right side
    14,301.18x = 193,636,075.14
  5. Step 5: Solve for x
    x = 193,636,075.14/14,301.18
  6. Step 6: Final answer
    x = 13,539.87

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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.