Home / 19,973.07-29,955.49-9,438.62

Finding the Fourth Proportional to 19,973.07, 29,955.49 and 9,438.62

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Solution

The fourth proportional to 19,973.07, 29,955.49 and 9,438.62 is: 14,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.07 : 29,955.49 = 9,438.62 : x
  2. Step 2: Convert to fraction form
    19,973.07/29,955.49 = 9,438.62/x
  3. Step 3: Cross multiply
    19,973.07x = 29,955.49 × 9,438.62
  4. Step 4: Simplify right side
    19,973.07x = 282,738,313.65
  5. Step 5: Solve for x
    x = 282,738,313.65/19,973.07
  6. Step 6: Final answer
    x = 14,155.98

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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.