Home / 13,382.36-18,466.50-8,075.24

Finding the Fourth Proportional to 13,382.36, 18,466.50 and 8,075.24

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Solution

The fourth proportional to 13,382.36, 18,466.50 and 8,075.24 is: 11,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.36 : 18,466.50 = 8,075.24 : x
  2. Step 2: Convert to fraction form
    13,382.36/18,466.50 = 8,075.24/x
  3. Step 3: Cross multiply
    13,382.36x = 18,466.50 × 8,075.24
  4. Step 4: Simplify right side
    13,382.36x = 149,121,419.46
  5. Step 5: Solve for x
    x = 149,121,419.46/13,382.36
  6. Step 6: Final answer
    x = 11,143.13

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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.