Home / 19,601.84-29,406.96-6,453.68

Finding the Fourth Proportional to 19,601.84, 29,406.96 and 6,453.68

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Solution

The fourth proportional to 19,601.84, 29,406.96 and 6,453.68 is: 9,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.84 : 29,406.96 = 6,453.68 : x
  2. Step 2: Convert to fraction form
    19,601.84/29,406.96 = 6,453.68/x
  3. Step 3: Cross multiply
    19,601.84x = 29,406.96 × 6,453.68
  4. Step 4: Simplify right side
    19,601.84x = 189,783,109.61
  5. Step 5: Solve for x
    x = 189,783,109.61/19,601.84
  6. Step 6: Final answer
    x = 9,681.90

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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.