Home / 14,240.79-19,652.05-8,272.51

Finding the Fourth Proportional to 14,240.79, 19,652.05 and 8,272.51

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Solution

The fourth proportional to 14,240.79, 19,652.05 and 8,272.51 is: 11,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.79 : 19,652.05 = 8,272.51 : x
  2. Step 2: Convert to fraction form
    14,240.79/19,652.05 = 8,272.51/x
  3. Step 3: Cross multiply
    14,240.79x = 19,652.05 × 8,272.51
  4. Step 4: Simplify right side
    14,240.79x = 162,571,741.36
  5. Step 5: Solve for x
    x = 162,571,741.36/14,240.79
  6. Step 6: Final answer
    x = 11,415.92

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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.