Home / 18,258.90-27,400.31-6,412.36

Finding the Fourth Proportional to 18,258.90, 27,400.31 and 6,412.36

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Solution

The fourth proportional to 18,258.90, 27,400.31 and 6,412.36 is: 9,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.90 : 27,400.31 = 6,412.36 : x
  2. Step 2: Convert to fraction form
    18,258.90/27,400.31 = 6,412.36/x
  3. Step 3: Cross multiply
    18,258.90x = 27,400.31 × 6,412.36
  4. Step 4: Simplify right side
    18,258.90x = 175,700,736.36
  5. Step 5: Solve for x
    x = 175,700,736.36/18,258.90
  6. Step 6: Final answer
    x = 9,622.74

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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.