Home / 15,864.36-23,765.82-12,208.68

Finding the Fourth Proportional to 15,864.36, 23,765.82 and 12,208.68

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Solution

The fourth proportional to 15,864.36, 23,765.82 and 12,208.68 is: 18,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.36 : 23,765.82 = 12,208.68 : x
  2. Step 2: Convert to fraction form
    15,864.36/23,765.82 = 12,208.68/x
  3. Step 3: Cross multiply
    15,864.36x = 23,765.82 × 12,208.68
  4. Step 4: Simplify right side
    15,864.36x = 290,149,291.32
  5. Step 5: Solve for x
    x = 290,149,291.32/15,864.36
  6. Step 6: Final answer
    x = 18,289.38

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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.