Home / 14,005.35-21,009.33-6,607.80

Finding the Fourth Proportional to 14,005.35, 21,009.33 and 6,607.80

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Solution

The fourth proportional to 14,005.35, 21,009.33 and 6,607.80 is: 9,912.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.35 : 21,009.33 = 6,607.80 : x
  2. Step 2: Convert to fraction form
    14,005.35/21,009.33 = 6,607.80/x
  3. Step 3: Cross multiply
    14,005.35x = 21,009.33 × 6,607.80
  4. Step 4: Simplify right side
    14,005.35x = 138,825,450.77
  5. Step 5: Solve for x
    x = 138,825,450.77/14,005.35
  6. Step 6: Final answer
    x = 9,912.32

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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.