Home / 19,477.80-29,192.70-13,237.80

Finding the Fourth Proportional to 19,477.80, 29,192.70 and 13,237.80

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Solution

The fourth proportional to 19,477.80, 29,192.70 and 13,237.80 is: 19,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.80 : 29,192.70 = 13,237.80 : x
  2. Step 2: Convert to fraction form
    19,477.80/29,192.70 = 13,237.80/x
  3. Step 3: Cross multiply
    19,477.80x = 29,192.70 × 13,237.80
  4. Step 4: Simplify right side
    19,477.80x = 386,447,124.06
  5. Step 5: Solve for x
    x = 386,447,124.06/19,477.80
  6. Step 6: Final answer
    x = 19,840.39

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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.