Home / 13,784.98-20,677.08-4,424.92

Finding the Fourth Proportional to 13,784.98, 20,677.08 and 4,424.92

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Solution

The fourth proportional to 13,784.98, 20,677.08 and 4,424.92 is: 6,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.98 : 20,677.08 = 4,424.92 : x
  2. Step 2: Convert to fraction form
    13,784.98/20,677.08 = 4,424.92/x
  3. Step 3: Cross multiply
    13,784.98x = 20,677.08 × 4,424.92
  4. Step 4: Simplify right side
    13,784.98x = 91,494,424.83
  5. Step 5: Solve for x
    x = 91,494,424.83/13,784.98
  6. Step 6: Final answer
    x = 6,637.25

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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.