Home / 19,456.84-29,190.06-5,605.72

Finding the Fourth Proportional to 19,456.84, 29,190.06 and 5,605.72

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Solution

The fourth proportional to 19,456.84, 29,190.06 and 5,605.72 is: 8,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.84 : 29,190.06 = 5,605.72 : x
  2. Step 2: Convert to fraction form
    19,456.84/29,190.06 = 5,605.72/x
  3. Step 3: Cross multiply
    19,456.84x = 29,190.06 × 5,605.72
  4. Step 4: Simplify right side
    19,456.84x = 163,631,303.14
  5. Step 5: Solve for x
    x = 163,631,303.14/19,456.84
  6. Step 6: Final answer
    x = 8,409.96

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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.