Home / 8,752.42-13,117.68-6,896.20

Finding the Fourth Proportional to 8,752.42, 13,117.68 and 6,896.20

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Solution

The fourth proportional to 8,752.42, 13,117.68 and 6,896.20 is: 10,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.42 : 13,117.68 = 6,896.20 : x
  2. Step 2: Convert to fraction form
    8,752.42/13,117.68 = 6,896.20/x
  3. Step 3: Cross multiply
    8,752.42x = 13,117.68 × 6,896.20
  4. Step 4: Simplify right side
    8,752.42x = 90,462,144.82
  5. Step 5: Solve for x
    x = 90,462,144.82/8,752.42
  6. Step 6: Final answer
    x = 10,335.67

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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.