Home / 13,289.14-19,938.23-8,353.00

Finding the Fourth Proportional to 13,289.14, 19,938.23 and 8,353.00

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Solution

The fourth proportional to 13,289.14, 19,938.23 and 8,353.00 is: 12,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.14 : 19,938.23 = 8,353.00 : x
  2. Step 2: Convert to fraction form
    13,289.14/19,938.23 = 8,353.00/x
  3. Step 3: Cross multiply
    13,289.14x = 19,938.23 × 8,353.00
  4. Step 4: Simplify right side
    13,289.14x = 166,543,893.73
  5. Step 5: Solve for x
    x = 166,543,893.73/13,289.14
  6. Step 6: Final answer
    x = 12,532.34

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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.