Home / 18,412.02-25,408.35-10,028.52

Finding the Fourth Proportional to 18,412.02, 25,408.35 and 10,028.52

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Solution

The fourth proportional to 18,412.02, 25,408.35 and 10,028.52 is: 13,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.02 : 25,408.35 = 10,028.52 : x
  2. Step 2: Convert to fraction form
    18,412.02/25,408.35 = 10,028.52/x
  3. Step 3: Cross multiply
    18,412.02x = 25,408.35 × 10,028.52
  4. Step 4: Simplify right side
    18,412.02x = 254,808,146.14
  5. Step 5: Solve for x
    x = 254,808,146.14/18,412.02
  6. Step 6: Final answer
    x = 13,839.23

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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.