Home / 10,289.25-14,199.77-5,812.90

Finding the Fourth Proportional to 10,289.25, 14,199.77 and 5,812.90

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Solution

The fourth proportional to 10,289.25, 14,199.77 and 5,812.90 is: 8,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.25 : 14,199.77 = 5,812.90 : x
  2. Step 2: Convert to fraction form
    10,289.25/14,199.77 = 5,812.90/x
  3. Step 3: Cross multiply
    10,289.25x = 14,199.77 × 5,812.90
  4. Step 4: Simplify right side
    10,289.25x = 82,541,822.07
  5. Step 5: Solve for x
    x = 82,541,822.07/10,289.25
  6. Step 6: Final answer
    x = 8,022.14

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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.