Home / 14,039.61-21,087.36-8,783.93

Finding the Fourth Proportional to 14,039.61, 21,087.36 and 8,783.93

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Solution

The fourth proportional to 14,039.61, 21,087.36 and 8,783.93 is: 13,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.61 : 21,087.36 = 8,783.93 : x
  2. Step 2: Convert to fraction form
    14,039.61/21,087.36 = 8,783.93/x
  3. Step 3: Cross multiply
    14,039.61x = 21,087.36 × 8,783.93
  4. Step 4: Simplify right side
    14,039.61x = 185,229,788.69
  5. Step 5: Solve for x
    x = 185,229,788.69/14,039.61
  6. Step 6: Final answer
    x = 13,193.37

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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.