Home / 11,333.36-15,643.25-6,857.41

Finding the Fourth Proportional to 11,333.36, 15,643.25 and 6,857.41

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Solution

The fourth proportional to 11,333.36, 15,643.25 and 6,857.41 is: 9,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.36 : 15,643.25 = 6,857.41 : x
  2. Step 2: Convert to fraction form
    11,333.36/15,643.25 = 6,857.41/x
  3. Step 3: Cross multiply
    11,333.36x = 15,643.25 × 6,857.41
  4. Step 4: Simplify right side
    11,333.36x = 107,272,178.98
  5. Step 5: Solve for x
    x = 107,272,178.98/11,333.36
  6. Step 6: Final answer
    x = 9,465.17

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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.