Home / 13,075.02-18,043.56-7,106.68

Finding the Fourth Proportional to 13,075.02, 18,043.56 and 7,106.68

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Solution

The fourth proportional to 13,075.02, 18,043.56 and 7,106.68 is: 9,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.02 : 18,043.56 = 7,106.68 : x
  2. Step 2: Convert to fraction form
    13,075.02/18,043.56 = 7,106.68/x
  3. Step 3: Cross multiply
    13,075.02x = 18,043.56 × 7,106.68
  4. Step 4: Simplify right side
    13,075.02x = 128,229,761.87
  5. Step 5: Solve for x
    x = 128,229,761.87/13,075.02
  6. Step 6: Final answer
    x = 9,807.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.