Home / 18,156.20-25,058.02-10,198.88

Finding the Fourth Proportional to 18,156.20, 25,058.02 and 10,198.88

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Solution

The fourth proportional to 18,156.20, 25,058.02 and 10,198.88 is: 14,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.20 : 25,058.02 = 10,198.88 : x
  2. Step 2: Convert to fraction form
    18,156.20/25,058.02 = 10,198.88/x
  3. Step 3: Cross multiply
    18,156.20x = 25,058.02 × 10,198.88
  4. Step 4: Simplify right side
    18,156.20x = 255,563,739.02
  5. Step 5: Solve for x
    x = 255,563,739.02/18,156.20
  6. Step 6: Final answer
    x = 14,075.84

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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.