Home / 11,140.05-16,707.36-3,240.45

Finding the Fourth Proportional to 11,140.05, 16,707.36 and 3,240.45

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Solution

The fourth proportional to 11,140.05, 16,707.36 and 3,240.45 is: 4,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.05 : 16,707.36 = 3,240.45 : x
  2. Step 2: Convert to fraction form
    11,140.05/16,707.36 = 3,240.45/x
  3. Step 3: Cross multiply
    11,140.05x = 16,707.36 × 3,240.45
  4. Step 4: Simplify right side
    11,140.05x = 54,139,364.71
  5. Step 5: Solve for x
    x = 54,139,364.71/11,140.05
  6. Step 6: Final answer
    x = 4,859.89

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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.