Home / 13,189.35-19,786.95-4,424.01

Finding the Fourth Proportional to 13,189.35, 19,786.95 and 4,424.01

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Solution

The fourth proportional to 13,189.35, 19,786.95 and 4,424.01 is: 6,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.35 : 19,786.95 = 4,424.01 : x
  2. Step 2: Convert to fraction form
    13,189.35/19,786.95 = 4,424.01/x
  3. Step 3: Cross multiply
    13,189.35x = 19,786.95 × 4,424.01
  4. Step 4: Simplify right side
    13,189.35x = 87,537,664.67
  5. Step 5: Solve for x
    x = 87,537,664.67/13,189.35
  6. Step 6: Final answer
    x = 6,637.00

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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.