Home / 9,118.14-12,576.80-5,583.10

Finding the Fourth Proportional to 9,118.14, 12,576.80 and 5,583.10

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Solution

The fourth proportional to 9,118.14, 12,576.80 and 5,583.10 is: 7,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.14 : 12,576.80 = 5,583.10 : x
  2. Step 2: Convert to fraction form
    9,118.14/12,576.80 = 5,583.10/x
  3. Step 3: Cross multiply
    9,118.14x = 12,576.80 × 5,583.10
  4. Step 4: Simplify right side
    9,118.14x = 70,217,532.08
  5. Step 5: Solve for x
    x = 70,217,532.08/9,118.14
  6. Step 6: Final answer
    x = 7,700.86

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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.