Home / 10,289.27-14,199.13-5,812.81

Finding the Fourth Proportional to 10,289.27, 14,199.13 and 5,812.81

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Solution

The fourth proportional to 10,289.27, 14,199.13 and 5,812.81 is: 8,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.27 : 14,199.13 = 5,812.81 : x
  2. Step 2: Convert to fraction form
    10,289.27/14,199.13 = 5,812.81/x
  3. Step 3: Cross multiply
    10,289.27x = 14,199.13 × 5,812.81
  4. Step 4: Simplify right side
    10,289.27x = 82,536,844.86
  5. Step 5: Solve for x
    x = 82,536,844.86/10,289.27
  6. Step 6: Final answer
    x = 8,021.64

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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.