Home / 11,426.51-17,140.13-3,106.50

Finding the Fourth Proportional to 11,426.51, 17,140.13 and 3,106.50

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Solution

The fourth proportional to 11,426.51, 17,140.13 and 3,106.50 is: 4,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.51 : 17,140.13 = 3,106.50 : x
  2. Step 2: Convert to fraction form
    11,426.51/17,140.13 = 3,106.50/x
  3. Step 3: Cross multiply
    11,426.51x = 17,140.13 × 3,106.50
  4. Step 4: Simplify right side
    11,426.51x = 53,245,798.31
  5. Step 5: Solve for x
    x = 53,245,798.31/11,426.51
  6. Step 6: Final answer
    x = 4,659.85

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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.