Home / 10,289.12-14,197.92-5,813.12

Finding the Fourth Proportional to 10,289.12, 14,197.92 and 5,813.12

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Solution

The fourth proportional to 10,289.12, 14,197.92 and 5,813.12 is: 8,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.12 : 14,197.92 = 5,813.12 : x
  2. Step 2: Convert to fraction form
    10,289.12/14,197.92 = 5,813.12/x
  3. Step 3: Cross multiply
    10,289.12x = 14,197.92 × 5,813.12
  4. Step 4: Simplify right side
    10,289.12x = 82,534,212.71
  5. Step 5: Solve for x
    x = 82,534,212.71/10,289.12
  6. Step 6: Final answer
    x = 8,021.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.