Home / 12,802-17,657.04-8,829.76

Finding the Fourth Proportional to 12,802, 17,657.04 and 8,829.76

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Solution

The fourth proportional to 12,802, 17,657.04 and 8,829.76 is: 12,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802 : 17,657.04 = 8,829.76 : x
  2. Step 2: Convert to fraction form
    12,802/17,657.04 = 8,829.76/x
  3. Step 3: Cross multiply
    12,802x = 17,657.04 × 8,829.76
  4. Step 4: Simplify right side
    12,802x = 155,907,425.51
  5. Step 5: Solve for x
    x = 155,907,425.51/12,802
  6. Step 6: Final answer
    x = 12,178.36

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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.