Home / 11,104.87-15,303.63-7,955.59

Finding the Fourth Proportional to 11,104.87, 15,303.63 and 7,955.59

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Solution

The fourth proportional to 11,104.87, 15,303.63 and 7,955.59 is: 10,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,104.87 : 15,303.63 = 7,955.59 : x
  2. Step 2: Convert to fraction form
    11,104.87/15,303.63 = 7,955.59/x
  3. Step 3: Cross multiply
    11,104.87x = 15,303.63 × 7,955.59
  4. Step 4: Simplify right side
    11,104.87x = 121,749,405.79
  5. Step 5: Solve for x
    x = 121,749,405.79/11,104.87
  6. Step 6: Final answer
    x = 10,963.60

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1.5x scale

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.