Home / 14,648.64-21,936-9,703.36

Finding the Fourth Proportional to 14,648.64, 21,936 and 9,703.36

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Solution

The fourth proportional to 14,648.64, 21,936 and 9,703.36 is: 14,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.64 : 21,936 = 9,703.36 : x
  2. Step 2: Convert to fraction form
    14,648.64/21,936 = 9,703.36/x
  3. Step 3: Cross multiply
    14,648.64x = 21,936 × 9,703.36
  4. Step 4: Simplify right side
    14,648.64x = 212,852,904.96
  5. Step 5: Solve for x
    x = 212,852,904.96/14,648.64
  6. Step 6: Final answer
    x = 14,530.56

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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.