Home / 13,829.23-19,083.70-8,460.60

Finding the Fourth Proportional to 13,829.23, 19,083.70 and 8,460.60

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Solution

The fourth proportional to 13,829.23, 19,083.70 and 8,460.60 is: 11,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.23 : 19,083.70 = 8,460.60 : x
  2. Step 2: Convert to fraction form
    13,829.23/19,083.70 = 8,460.60/x
  3. Step 3: Cross multiply
    13,829.23x = 19,083.70 × 8,460.60
  4. Step 4: Simplify right side
    13,829.23x = 161,459,552.22
  5. Step 5: Solve for x
    x = 161,459,552.22/13,829.23
  6. Step 6: Final answer
    x = 11,675.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.