Home / 19,771.72-29,643.58-9,903.96

Finding the Fourth Proportional to 19,771.72, 29,643.58 and 9,903.96

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Solution

The fourth proportional to 19,771.72, 29,643.58 and 9,903.96 is: 14,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.72 : 29,643.58 = 9,903.96 : x
  2. Step 2: Convert to fraction form
    19,771.72/29,643.58 = 9,903.96/x
  3. Step 3: Cross multiply
    19,771.72x = 29,643.58 × 9,903.96
  4. Step 4: Simplify right side
    19,771.72x = 293,588,830.58
  5. Step 5: Solve for x
    x = 293,588,830.58/19,771.72
  6. Step 6: Final answer
    x = 14,848.93

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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.