Home / 19,402.41-29,054.16-12,808.47

Finding the Fourth Proportional to 19,402.41, 29,054.16 and 12,808.47

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Solution

The fourth proportional to 19,402.41, 29,054.16 and 12,808.47 is: 19,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.41 : 29,054.16 = 12,808.47 : x
  2. Step 2: Convert to fraction form
    19,402.41/29,054.16 = 12,808.47/x
  3. Step 3: Cross multiply
    19,402.41x = 29,054.16 × 12,808.47
  4. Step 4: Simplify right side
    19,402.41x = 372,139,336.74
  5. Step 5: Solve for x
    x = 372,139,336.74/19,402.41
  6. Step 6: Final answer
    x = 19,180.06

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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.