Home / 19,945.44-29,931.12-9,558

Finding the Fourth Proportional to 19,945.44, 29,931.12 and 9,558

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Solution

The fourth proportional to 19,945.44, 29,931.12 and 9,558 is: 14,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.44 : 29,931.12 = 9,558 : x
  2. Step 2: Convert to fraction form
    19,945.44/29,931.12 = 9,558/x
  3. Step 3: Cross multiply
    19,945.44x = 29,931.12 × 9,558
  4. Step 4: Simplify right side
    19,945.44x = 286,081,644.96
  5. Step 5: Solve for x
    x = 286,081,644.96/19,945.44
  6. Step 6: Final answer
    x = 14,343.21

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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.