Home / 12,395.71-17,106.26-6,730.47

Finding the Fourth Proportional to 12,395.71, 17,106.26 and 6,730.47

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Solution

The fourth proportional to 12,395.71, 17,106.26 and 6,730.47 is: 9,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.71 : 17,106.26 = 6,730.47 : x
  2. Step 2: Convert to fraction form
    12,395.71/17,106.26 = 6,730.47/x
  3. Step 3: Cross multiply
    12,395.71x = 17,106.26 × 6,730.47
  4. Step 4: Simplify right side
    12,395.71x = 115,133,173.95
  5. Step 5: Solve for x
    x = 115,133,173.95/12,395.71
  6. Step 6: Final answer
    x = 9,288.15

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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.