Home / 19,973.81-29,956.61-9,439.35

Finding the Fourth Proportional to 19,973.81, 29,956.61 and 9,439.35

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Solution

The fourth proportional to 19,973.81, 29,956.61 and 9,439.35 is: 14,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.81 : 29,956.61 = 9,439.35 : x
  2. Step 2: Convert to fraction form
    19,973.81/29,956.61 = 9,439.35/x
  3. Step 3: Cross multiply
    19,973.81x = 29,956.61 × 9,439.35
  4. Step 4: Simplify right side
    19,973.81x = 282,770,879.41
  5. Step 5: Solve for x
    x = 282,770,879.41/19,973.81
  6. Step 6: Final answer
    x = 14,157.09

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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.