Home / 17,986.86-26,936.55-10,971.45

Finding the Fourth Proportional to 17,986.86, 26,936.55 and 10,971.45

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Solution

The fourth proportional to 17,986.86, 26,936.55 and 10,971.45 is: 16,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,986.86 : 26,936.55 = 10,971.45 : x
  2. Step 2: Convert to fraction form
    17,986.86/26,936.55 = 10,971.45/x
  3. Step 3: Cross multiply
    17,986.86x = 26,936.55 × 10,971.45
  4. Step 4: Simplify right side
    17,986.86x = 295,533,011.50
  5. Step 5: Solve for x
    x = 295,533,011.50/17,986.86
  6. Step 6: Final answer
    x = 16,430.49

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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.