Home / 14,021.08-21,028.98-5,254.12

Finding the Fourth Proportional to 14,021.08, 21,028.98 and 5,254.12

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Solution

The fourth proportional to 14,021.08, 21,028.98 and 5,254.12 is: 7,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.08 : 21,028.98 = 5,254.12 : x
  2. Step 2: Convert to fraction form
    14,021.08/21,028.98 = 5,254.12/x
  3. Step 3: Cross multiply
    14,021.08x = 21,028.98 × 5,254.12
  4. Step 4: Simplify right side
    14,021.08x = 110,488,784.40
  5. Step 5: Solve for x
    x = 110,488,784.40/14,021.08
  6. Step 6: Final answer
    x = 7,880.19

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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.