Home / 18,169.30-25,075.34-10,213.48

Finding the Fourth Proportional to 18,169.30, 25,075.34 and 10,213.48

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Solution

The fourth proportional to 18,169.30, 25,075.34 and 10,213.48 is: 14,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.30 : 25,075.34 = 10,213.48 : x
  2. Step 2: Convert to fraction form
    18,169.30/25,075.34 = 10,213.48/x
  3. Step 3: Cross multiply
    18,169.30x = 25,075.34 × 10,213.48
  4. Step 4: Simplify right side
    18,169.30x = 256,106,483.58
  5. Step 5: Solve for x
    x = 256,106,483.58/18,169.30
  6. Step 6: Final answer
    x = 14,095.56

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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.