Home / 13,767.20-18,999.14-9,741.24

Finding the Fourth Proportional to 13,767.20, 18,999.14 and 9,741.24

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Solution

The fourth proportional to 13,767.20, 18,999.14 and 9,741.24 is: 13,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.20 : 18,999.14 = 9,741.24 : x
  2. Step 2: Convert to fraction form
    13,767.20/18,999.14 = 9,741.24/x
  3. Step 3: Cross multiply
    13,767.20x = 18,999.14 × 9,741.24
  4. Step 4: Simplify right side
    13,767.20x = 185,075,170.36
  5. Step 5: Solve for x
    x = 185,075,170.36/13,767.20
  6. Step 6: Final answer
    x = 13,443.20

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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.