Home / 19,364.48-29,008.60-12,770.52

Finding the Fourth Proportional to 19,364.48, 29,008.60 and 12,770.52

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Solution

The fourth proportional to 19,364.48, 29,008.60 and 12,770.52 is: 19,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.48 : 29,008.60 = 12,770.52 : x
  2. Step 2: Convert to fraction form
    19,364.48/29,008.60 = 12,770.52/x
  3. Step 3: Cross multiply
    19,364.48x = 29,008.60 × 12,770.52
  4. Step 4: Simplify right side
    19,364.48x = 370,454,906.47
  5. Step 5: Solve for x
    x = 370,454,906.47/19,364.48
  6. Step 6: Final answer
    x = 19,130.64

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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.