Home / 13,858.29-20,784.70-4,973.37

Finding the Fourth Proportional to 13,858.29, 20,784.70 and 4,973.37

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Solution

The fourth proportional to 13,858.29, 20,784.70 and 4,973.37 is: 7,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.29 : 20,784.70 = 4,973.37 : x
  2. Step 2: Convert to fraction form
    13,858.29/20,784.70 = 4,973.37/x
  3. Step 3: Cross multiply
    13,858.29x = 20,784.70 × 4,973.37
  4. Step 4: Simplify right side
    13,858.29x = 103,370,107.08
  5. Step 5: Solve for x
    x = 103,370,107.08/13,858.29
  6. Step 6: Final answer
    x = 7,459.08

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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.