Home / 11,680.71-16,119.16-6,576.23

Finding the Fourth Proportional to 11,680.71, 16,119.16 and 6,576.23

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Solution

The fourth proportional to 11,680.71, 16,119.16 and 6,576.23 is: 9,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.71 : 16,119.16 = 6,576.23 : x
  2. Step 2: Convert to fraction form
    11,680.71/16,119.16 = 6,576.23/x
  3. Step 3: Cross multiply
    11,680.71x = 16,119.16 × 6,576.23
  4. Step 4: Simplify right side
    11,680.71x = 106,003,303.57
  5. Step 5: Solve for x
    x = 106,003,303.57/11,680.71
  6. Step 6: Final answer
    x = 9,075.07

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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.