Home / 13,156.86-19,719.95-4,830.60

Finding the Fourth Proportional to 13,156.86, 19,719.95 and 4,830.60

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Solution

The fourth proportional to 13,156.86, 19,719.95 and 4,830.60 is: 7,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.86 : 19,719.95 = 4,830.60 : x
  2. Step 2: Convert to fraction form
    13,156.86/19,719.95 = 4,830.60/x
  3. Step 3: Cross multiply
    13,156.86x = 19,719.95 × 4,830.60
  4. Step 4: Simplify right side
    13,156.86x = 95,259,190.47
  5. Step 5: Solve for x
    x = 95,259,190.47/13,156.86
  6. Step 6: Final answer
    x = 7,240.27

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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.