Home / 11,340.15-17,011.98-5,790.49

Finding the Fourth Proportional to 11,340.15, 17,011.98 and 5,790.49

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Solution

The fourth proportional to 11,340.15, 17,011.98 and 5,790.49 is: 8,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,340.15 : 17,011.98 = 5,790.49 : x
  2. Step 2: Convert to fraction form
    11,340.15/17,011.98 = 5,790.49/x
  3. Step 3: Cross multiply
    11,340.15x = 17,011.98 × 5,790.49
  4. Step 4: Simplify right side
    11,340.15x = 98,507,657.54
  5. Step 5: Solve for x
    x = 98,507,657.54/11,340.15
  6. Step 6: Final answer
    x = 8,686.63

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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.