Home / 20,247.36-30,373.92-9,852

Finding the Fourth Proportional to 20,247.36, 30,373.92 and 9,852

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Solution

The fourth proportional to 20,247.36, 30,373.92 and 9,852 is: 14,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.36 : 30,373.92 = 9,852 : x
  2. Step 2: Convert to fraction form
    20,247.36/30,373.92 = 9,852/x
  3. Step 3: Cross multiply
    20,247.36x = 30,373.92 × 9,852
  4. Step 4: Simplify right side
    20,247.36x = 299,243,859.84
  5. Step 5: Solve for x
    x = 299,243,859.84/20,247.36
  6. Step 6: Final answer
    x = 14,779.40

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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.