Home / 13,057.17-19,586.87-4,173.77

Finding the Fourth Proportional to 13,057.17, 19,586.87 and 4,173.77

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Solution

The fourth proportional to 13,057.17, 19,586.87 and 4,173.77 is: 6,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.17 : 19,586.87 = 4,173.77 : x
  2. Step 2: Convert to fraction form
    13,057.17/19,586.87 = 4,173.77/x
  3. Step 3: Cross multiply
    13,057.17x = 19,586.87 × 4,173.77
  4. Step 4: Simplify right side
    13,057.17x = 81,750,971.60
  5. Step 5: Solve for x
    x = 81,750,971.60/13,057.17
  6. Step 6: Final answer
    x = 6,261.00

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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.