Home / 15,069.88-20,786.07-10,345.96

Finding the Fourth Proportional to 15,069.88, 20,786.07 and 10,345.96

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Solution

The fourth proportional to 15,069.88, 20,786.07 and 10,345.96 is: 14,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.88 : 20,786.07 = 10,345.96 : x
  2. Step 2: Convert to fraction form
    15,069.88/20,786.07 = 10,345.96/x
  3. Step 3: Cross multiply
    15,069.88x = 20,786.07 × 10,345.96
  4. Step 4: Simplify right side
    15,069.88x = 215,051,848.78
  5. Step 5: Solve for x
    x = 215,051,848.78/15,069.88
  6. Step 6: Final answer
    x = 14,270.31

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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.