Home / 16,075.12-22,185.12-8,905.72

Finding the Fourth Proportional to 16,075.12, 22,185.12 and 8,905.72

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Solution

The fourth proportional to 16,075.12, 22,185.12 and 8,905.72 is: 12,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,075.12 : 22,185.12 = 8,905.72 : x
  2. Step 2: Convert to fraction form
    16,075.12/22,185.12 = 8,905.72/x
  3. Step 3: Cross multiply
    16,075.12x = 22,185.12 × 8,905.72
  4. Step 4: Simplify right side
    16,075.12x = 197,574,466.89
  5. Step 5: Solve for x
    x = 197,574,466.89/16,075.12
  6. Step 6: Final answer
    x = 12,290.70

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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.