Home / 14,402.10-21,608.55-5,643.30

Finding the Fourth Proportional to 14,402.10, 21,608.55 and 5,643.30

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Solution

The fourth proportional to 14,402.10, 21,608.55 and 5,643.30 is: 8,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.10 : 21,608.55 = 5,643.30 : x
  2. Step 2: Convert to fraction form
    14,402.10/21,608.55 = 5,643.30/x
  3. Step 3: Cross multiply
    14,402.10x = 21,608.55 × 5,643.30
  4. Step 4: Simplify right side
    14,402.10x = 121,943,530.22
  5. Step 5: Solve for x
    x = 121,943,530.22/14,402.10
  6. Step 6: Final answer
    x = 8,467.07

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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.