Home / 11,141.36-16,705.56-4,216.40

Finding the Fourth Proportional to 11,141.36, 16,705.56 and 4,216.40

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Solution

The fourth proportional to 11,141.36, 16,705.56 and 4,216.40 is: 6,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.36 : 16,705.56 = 4,216.40 : x
  2. Step 2: Convert to fraction form
    11,141.36/16,705.56 = 4,216.40/x
  3. Step 3: Cross multiply
    11,141.36x = 16,705.56 × 4,216.40
  4. Step 4: Simplify right side
    11,141.36x = 70,437,323.18
  5. Step 5: Solve for x
    x = 70,437,323.18/11,141.36
  6. Step 6: Final answer
    x = 6,322.15

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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.