Home / 12,913.61-19,361.58-6,576.22

Finding the Fourth Proportional to 12,913.61, 19,361.58 and 6,576.22

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Solution

The fourth proportional to 12,913.61, 19,361.58 and 6,576.22 is: 9,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.61 : 19,361.58 = 6,576.22 : x
  2. Step 2: Convert to fraction form
    12,913.61/19,361.58 = 6,576.22/x
  3. Step 3: Cross multiply
    12,913.61x = 19,361.58 × 6,576.22
  4. Step 4: Simplify right side
    12,913.61x = 127,326,041.36
  5. Step 5: Solve for x
    x = 127,326,041.36/12,913.61
  6. Step 6: Final answer
    x = 9,859.83

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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.