Home / 12,461.42-18,695.28-4,141.48

Finding the Fourth Proportional to 12,461.42, 18,695.28 and 4,141.48

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Solution

The fourth proportional to 12,461.42, 18,695.28 and 4,141.48 is: 6,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.42 : 18,695.28 = 4,141.48 : x
  2. Step 2: Convert to fraction form
    12,461.42/18,695.28 = 4,141.48/x
  3. Step 3: Cross multiply
    12,461.42x = 18,695.28 × 4,141.48
  4. Step 4: Simplify right side
    12,461.42x = 77,426,128.21
  5. Step 5: Solve for x
    x = 77,426,128.21/12,461.42
  6. Step 6: Final answer
    x = 6,213.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.