Home / 9,111.94-13,646.96-7,604.28

Finding the Fourth Proportional to 9,111.94, 13,646.96 and 7,604.28

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Solution

The fourth proportional to 9,111.94, 13,646.96 and 7,604.28 is: 11,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.94 : 13,646.96 = 7,604.28 : x
  2. Step 2: Convert to fraction form
    9,111.94/13,646.96 = 7,604.28/x
  3. Step 3: Cross multiply
    9,111.94x = 13,646.96 × 7,604.28
  4. Step 4: Simplify right side
    9,111.94x = 103,775,274.10
  5. Step 5: Solve for x
    x = 103,775,274.10/9,111.94
  6. Step 6: Final answer
    x = 11,388.93

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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.