Home / 13,098.30-18,075.31-7,355.60

Finding the Fourth Proportional to 13,098.30, 18,075.31 and 7,355.60

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Solution

The fourth proportional to 13,098.30, 18,075.31 and 7,355.60 is: 10,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.30 : 18,075.31 = 7,355.60 : x
  2. Step 2: Convert to fraction form
    13,098.30/18,075.31 = 7,355.60/x
  3. Step 3: Cross multiply
    13,098.30x = 18,075.31 × 7,355.60
  4. Step 4: Simplify right side
    13,098.30x = 132,954,750.24
  5. Step 5: Solve for x
    x = 132,954,750.24/13,098.30
  6. Step 6: Final answer
    x = 10,150.53

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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.