Home / 11,390.63-15,722.71-6,674.00

Finding the Fourth Proportional to 11,390.63, 15,722.71 and 6,674.00

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Solution

The fourth proportional to 11,390.63, 15,722.71 and 6,674.00 is: 9,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.63 : 15,722.71 = 6,674.00 : x
  2. Step 2: Convert to fraction form
    11,390.63/15,722.71 = 6,674.00/x
  3. Step 3: Cross multiply
    11,390.63x = 15,722.71 × 6,674.00
  4. Step 4: Simplify right side
    11,390.63x = 104,933,271.24
  5. Step 5: Solve for x
    x = 104,933,271.24/11,390.63
  6. Step 6: Final answer
    x = 9,212.25

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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.