Home / 15,621.07-23,431.40-3,774.75

Finding the Fourth Proportional to 15,621.07, 23,431.40 and 3,774.75

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Solution

The fourth proportional to 15,621.07, 23,431.40 and 3,774.75 is: 5,662.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.07 : 23,431.40 = 3,774.75 : x
  2. Step 2: Convert to fraction form
    15,621.07/23,431.40 = 3,774.75/x
  3. Step 3: Cross multiply
    15,621.07x = 23,431.40 × 3,774.75
  4. Step 4: Simplify right side
    15,621.07x = 88,447,658.28
  5. Step 5: Solve for x
    x = 88,447,658.28/15,621.07
  6. Step 6: Final answer
    x = 5,662.08

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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.