Home / 10,812.07-16,218.79-4,570.92

Finding the Fourth Proportional to 10,812.07, 16,218.79 and 4,570.92

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Solution

The fourth proportional to 10,812.07, 16,218.79 and 4,570.92 is: 6,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.07 : 16,218.79 = 4,570.92 : x
  2. Step 2: Convert to fraction form
    10,812.07/16,218.79 = 4,570.92/x
  3. Step 3: Cross multiply
    10,812.07x = 16,218.79 × 4,570.92
  4. Step 4: Simplify right side
    10,812.07x = 74,134,791.59
  5. Step 5: Solve for x
    x = 74,134,791.59/10,812.07
  6. Step 6: Final answer
    x = 6,856.67

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1.5x scale

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.