Home / 13,053.60-19,583.64-6,120

Finding the Fourth Proportional to 13,053.60, 19,583.64 and 6,120

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Solution

The fourth proportional to 13,053.60, 19,583.64 and 6,120 is: 9,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.60 : 19,583.64 = 6,120 : x
  2. Step 2: Convert to fraction form
    13,053.60/19,583.64 = 6,120/x
  3. Step 3: Cross multiply
    13,053.60x = 19,583.64 × 6,120
  4. Step 4: Simplify right side
    13,053.60x = 119,851,876.80
  5. Step 5: Solve for x
    x = 119,851,876.80/13,053.60
  6. Step 6: Final answer
    x = 9,181.52

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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.