Home / 11,356.99-15,672.31-6,576.19

Finding the Fourth Proportional to 11,356.99, 15,672.31 and 6,576.19

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Solution

The fourth proportional to 11,356.99, 15,672.31 and 6,576.19 is: 9,074.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.99 : 15,672.31 = 6,576.19 : x
  2. Step 2: Convert to fraction form
    11,356.99/15,672.31 = 6,576.19/x
  3. Step 3: Cross multiply
    11,356.99x = 15,672.31 × 6,576.19
  4. Step 4: Simplify right side
    11,356.99x = 103,064,088.30
  5. Step 5: Solve for x
    x = 103,064,088.30/11,356.99
  6. Step 6: Final answer
    x = 9,074.95

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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.