Home / 14,242.64-19,651.85-8,271.23

Finding the Fourth Proportional to 14,242.64, 19,651.85 and 8,271.23

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Solution

The fourth proportional to 14,242.64, 19,651.85 and 8,271.23 is: 11,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.64 : 19,651.85 = 8,271.23 : x
  2. Step 2: Convert to fraction form
    14,242.64/19,651.85 = 8,271.23/x
  3. Step 3: Cross multiply
    14,242.64x = 19,651.85 × 8,271.23
  4. Step 4: Simplify right side
    14,242.64x = 162,544,929.92
  5. Step 5: Solve for x
    x = 162,544,929.92/14,242.64
  6. Step 6: Final answer
    x = 11,412.56

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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.