Home / 13,123.81-19,679.94-4,801.67

Finding the Fourth Proportional to 13,123.81, 19,679.94 and 4,801.67

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Solution

The fourth proportional to 13,123.81, 19,679.94 and 4,801.67 is: 7,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123.81 : 19,679.94 = 4,801.67 : x
  2. Step 2: Convert to fraction form
    13,123.81/19,679.94 = 4,801.67/x
  3. Step 3: Cross multiply
    13,123.81x = 19,679.94 × 4,801.67
  4. Step 4: Simplify right side
    13,123.81x = 94,496,455.09
  5. Step 5: Solve for x
    x = 94,496,455.09/13,123.81
  6. Step 6: Final answer
    x = 7,200.38

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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.