Home / 8,204.45-12,242.63-7,320.87

Finding the Fourth Proportional to 8,204.45, 12,242.63 and 7,320.87

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Solution

The fourth proportional to 8,204.45, 12,242.63 and 7,320.87 is: 10,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.45 : 12,242.63 = 7,320.87 : x
  2. Step 2: Convert to fraction form
    8,204.45/12,242.63 = 7,320.87/x
  3. Step 3: Cross multiply
    8,204.45x = 12,242.63 × 7,320.87
  4. Step 4: Simplify right side
    8,204.45x = 89,626,720.99
  5. Step 5: Solve for x
    x = 89,626,720.99/8,204.45
  6. Step 6: Final answer
    x = 10,924.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.