Home / 19,866.52-29,780.22-9,485.56

Finding the Fourth Proportional to 19,866.52, 29,780.22 and 9,485.56

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Solution

The fourth proportional to 19,866.52, 29,780.22 and 9,485.56 is: 14,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.52 : 29,780.22 = 9,485.56 : x
  2. Step 2: Convert to fraction form
    19,866.52/29,780.22 = 9,485.56/x
  3. Step 3: Cross multiply
    19,866.52x = 29,780.22 × 9,485.56
  4. Step 4: Simplify right side
    19,866.52x = 282,482,063.62
  5. Step 5: Solve for x
    x = 282,482,063.62/19,866.52
  6. Step 6: Final answer
    x = 14,219.00

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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.