Home / 13,206.68-19,820.96-6,634.76

Finding the Fourth Proportional to 13,206.68, 19,820.96 and 6,634.76

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Solution

The fourth proportional to 13,206.68, 19,820.96 and 6,634.76 is: 9,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.68 : 19,820.96 = 6,634.76 : x
  2. Step 2: Convert to fraction form
    13,206.68/19,820.96 = 6,634.76/x
  3. Step 3: Cross multiply
    13,206.68x = 19,820.96 × 6,634.76
  4. Step 4: Simplify right side
    13,206.68x = 131,507,312.57
  5. Step 5: Solve for x
    x = 131,507,312.57/13,206.68
  6. Step 6: Final answer
    x = 9,957.64

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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.