Home / 14,289.40-21,455.70-11,006.20

Finding the Fourth Proportional to 14,289.40, 21,455.70 and 11,006.20

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Solution

The fourth proportional to 14,289.40, 21,455.70 and 11,006.20 is: 16,525.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.40 : 21,455.70 = 11,006.20 : x
  2. Step 2: Convert to fraction form
    14,289.40/21,455.70 = 11,006.20/x
  3. Step 3: Cross multiply
    14,289.40x = 21,455.70 × 11,006.20
  4. Step 4: Simplify right side
    14,289.40x = 236,145,725.34
  5. Step 5: Solve for x
    x = 236,145,725.34/14,289.40
  6. Step 6: Final answer
    x = 16,525.94

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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.