Home / 18,082.02-27,125.60-5,603.10

Finding the Fourth Proportional to 18,082.02, 27,125.60 and 5,603.10

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Solution

The fourth proportional to 18,082.02, 27,125.60 and 5,603.10 is: 8,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.02 : 27,125.60 = 5,603.10 : x
  2. Step 2: Convert to fraction form
    18,082.02/27,125.60 = 5,603.10/x
  3. Step 3: Cross multiply
    18,082.02x = 27,125.60 × 5,603.10
  4. Step 4: Simplify right side
    18,082.02x = 151,987,421.34
  5. Step 5: Solve for x
    x = 151,987,421.34/18,082.02
  6. Step 6: Final answer
    x = 8,405.44

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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.