Home / 14,412.17-21,618.04-8,791.49

Finding the Fourth Proportional to 14,412.17, 21,618.04 and 8,791.49

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Solution

The fourth proportional to 14,412.17, 21,618.04 and 8,791.49 is: 13,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.17 : 21,618.04 = 8,791.49 : x
  2. Step 2: Convert to fraction form
    14,412.17/21,618.04 = 8,791.49/x
  3. Step 3: Cross multiply
    14,412.17x = 21,618.04 × 8,791.49
  4. Step 4: Simplify right side
    14,412.17x = 190,054,782.48
  5. Step 5: Solve for x
    x = 190,054,782.48/14,412.17
  6. Step 6: Final answer
    x = 13,187.10

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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.