Home / 18,172.99-25,077.36-10,213.66

Finding the Fourth Proportional to 18,172.99, 25,077.36 and 10,213.66

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Solution

The fourth proportional to 18,172.99, 25,077.36 and 10,213.66 is: 14,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.99 : 25,077.36 = 10,213.66 : x
  2. Step 2: Convert to fraction form
    18,172.99/25,077.36 = 10,213.66/x
  3. Step 3: Cross multiply
    18,172.99x = 25,077.36 × 10,213.66
  4. Step 4: Simplify right side
    18,172.99x = 256,131,628.74
  5. Step 5: Solve for x
    x = 256,131,628.74/18,172.99
  6. Step 6: Final answer
    x = 14,094.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.