Home / 13,971.06-20,953.35-4,107.69

Finding the Fourth Proportional to 13,971.06, 20,953.35 and 4,107.69

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Solution

The fourth proportional to 13,971.06, 20,953.35 and 4,107.69 is: 6,160.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.06 : 20,953.35 = 4,107.69 : x
  2. Step 2: Convert to fraction form
    13,971.06/20,953.35 = 4,107.69/x
  3. Step 3: Cross multiply
    13,971.06x = 20,953.35 × 4,107.69
  4. Step 4: Simplify right side
    13,971.06x = 86,069,866.26
  5. Step 5: Solve for x
    x = 86,069,866.26/13,971.06
  6. Step 6: Final answer
    x = 6,160.58

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1.5x scale

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.