Home / 13,448.06-18,558.33-7,859.06

Finding the Fourth Proportional to 13,448.06, 18,558.33 and 7,859.06

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Solution

The fourth proportional to 13,448.06, 18,558.33 and 7,859.06 is: 10,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.06 : 18,558.33 = 7,859.06 : x
  2. Step 2: Convert to fraction form
    13,448.06/18,558.33 = 7,859.06/x
  3. Step 3: Cross multiply
    13,448.06x = 18,558.33 × 7,859.06
  4. Step 4: Simplify right side
    13,448.06x = 145,851,075.37
  5. Step 5: Solve for x
    x = 145,851,075.37/13,448.06
  6. Step 6: Final answer
    x = 10,845.51

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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.