Home / 11,228.63-16,832.75-7,056

Finding the Fourth Proportional to 11,228.63, 16,832.75 and 7,056

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Solution

The fourth proportional to 11,228.63, 16,832.75 and 7,056 is: 10,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.63 : 16,832.75 = 7,056 : x
  2. Step 2: Convert to fraction form
    11,228.63/16,832.75 = 7,056/x
  3. Step 3: Cross multiply
    11,228.63x = 16,832.75 × 7,056
  4. Step 4: Simplify right side
    11,228.63x = 118,771,848.72
  5. Step 5: Solve for x
    x = 118,771,848.72/11,228.63
  6. Step 6: Final answer
    x = 10,577.60

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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.