Home / 11,526.21-15,907.68-6,491.41

Finding the Fourth Proportional to 11,526.21, 15,907.68 and 6,491.41

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Solution

The fourth proportional to 11,526.21, 15,907.68 and 6,491.41 is: 8,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.21 : 15,907.68 = 6,491.41 : x
  2. Step 2: Convert to fraction form
    11,526.21/15,907.68 = 6,491.41/x
  3. Step 3: Cross multiply
    11,526.21x = 15,907.68 × 6,491.41
  4. Step 4: Simplify right side
    11,526.21x = 103,263,273.03
  5. Step 5: Solve for x
    x = 103,263,273.03/11,526.21
  6. Step 6: Final answer
    x = 8,959.00

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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.