Home / 12,421.52-18,626.81-6,576.77

Finding the Fourth Proportional to 12,421.52, 18,626.81 and 6,576.77

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Solution

The fourth proportional to 12,421.52, 18,626.81 and 6,576.77 is: 9,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421.52 : 18,626.81 = 6,576.77 : x
  2. Step 2: Convert to fraction form
    12,421.52/18,626.81 = 6,576.77/x
  3. Step 3: Cross multiply
    12,421.52x = 18,626.81 × 6,576.77
  4. Step 4: Simplify right side
    12,421.52x = 122,504,119.19
  5. Step 5: Solve for x
    x = 122,504,119.19/12,421.52
  6. Step 6: Final answer
    x = 9,862.25

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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.