Home / 18,455.25-25,468.34-10,071.75

Finding the Fourth Proportional to 18,455.25, 25,468.34 and 10,071.75

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Solution

The fourth proportional to 18,455.25, 25,468.34 and 10,071.75 is: 13,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.25 : 25,468.34 = 10,071.75 : x
  2. Step 2: Convert to fraction form
    18,455.25/25,468.34 = 10,071.75/x
  3. Step 3: Cross multiply
    18,455.25x = 25,468.34 × 10,071.75
  4. Step 4: Simplify right side
    18,455.25x = 256,510,703.04
  5. Step 5: Solve for x
    x = 256,510,703.04/18,455.25
  6. Step 6: Final answer
    x = 13,899.06

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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.