Home / 14,114.08-19,478.34-8,146

Finding the Fourth Proportional to 14,114.08, 19,478.34 and 8,146

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Solution

The fourth proportional to 14,114.08, 19,478.34 and 8,146 is: 11,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.08 : 19,478.34 = 8,146 : x
  2. Step 2: Convert to fraction form
    14,114.08/19,478.34 = 8,146/x
  3. Step 3: Cross multiply
    14,114.08x = 19,478.34 × 8,146
  4. Step 4: Simplify right side
    14,114.08x = 158,670,557.64
  5. Step 5: Solve for x
    x = 158,670,557.64/14,114.08
  6. Step 6: Final answer
    x = 11,242.00

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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.