Home / 19,864.98-29,807.73-13,206.11

Finding the Fourth Proportional to 19,864.98, 29,807.73 and 13,206.11

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Solution

The fourth proportional to 19,864.98, 29,807.73 and 13,206.11 is: 19,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.98 : 29,807.73 = 13,206.11 : x
  2. Step 2: Convert to fraction form
    19,864.98/29,807.73 = 13,206.11/x
  3. Step 3: Cross multiply
    19,864.98x = 29,807.73 × 13,206.11
  4. Step 4: Simplify right side
    19,864.98x = 393,644,012.19
  5. Step 5: Solve for x
    x = 393,644,012.19/19,864.98
  6. Step 6: Final answer
    x = 19,815.98

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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.