Home / 11,387.01-17,075.04-6,455.33

Finding the Fourth Proportional to 11,387.01, 17,075.04 and 6,455.33

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Solution

The fourth proportional to 11,387.01, 17,075.04 and 6,455.33 is: 9,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.01 : 17,075.04 = 6,455.33 : x
  2. Step 2: Convert to fraction form
    11,387.01/17,075.04 = 6,455.33/x
  3. Step 3: Cross multiply
    11,387.01x = 17,075.04 × 6,455.33
  4. Step 4: Simplify right side
    11,387.01x = 110,224,972.41
  5. Step 5: Solve for x
    x = 110,224,972.41/11,387.01
  6. Step 6: Final answer
    x = 9,679.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.