Home / 12,893.81-19,343.72-4,008.67

Finding the Fourth Proportional to 12,893.81, 19,343.72 and 4,008.67

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Solution

The fourth proportional to 12,893.81, 19,343.72 and 4,008.67 is: 6,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.81 : 19,343.72 = 4,008.67 : x
  2. Step 2: Convert to fraction form
    12,893.81/19,343.72 = 4,008.67/x
  3. Step 3: Cross multiply
    12,893.81x = 19,343.72 × 4,008.67
  4. Step 4: Simplify right side
    12,893.81x = 77,542,551.71
  5. Step 5: Solve for x
    x = 77,542,551.71/12,893.81
  6. Step 6: Final answer
    x = 6,013.94

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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.