Home / 11,851.90-16,355.46-6,546.76

Finding the Fourth Proportional to 11,851.90, 16,355.46 and 6,546.76

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Solution

The fourth proportional to 11,851.90, 16,355.46 and 6,546.76 is: 9,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.90 : 16,355.46 = 6,546.76 : x
  2. Step 2: Convert to fraction form
    11,851.90/16,355.46 = 6,546.76/x
  3. Step 3: Cross multiply
    11,851.90x = 16,355.46 × 6,546.76
  4. Step 4: Simplify right side
    11,851.90x = 107,075,271.31
  5. Step 5: Solve for x
    x = 107,075,271.31/11,851.90
  6. Step 6: Final answer
    x = 9,034.44

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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.