Home / 19,330.69-28,995.12-6,850.51

Finding the Fourth Proportional to 19,330.69, 28,995.12 and 6,850.51

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Solution

The fourth proportional to 19,330.69, 28,995.12 and 6,850.51 is: 10,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.69 : 28,995.12 = 6,850.51 : x
  2. Step 2: Convert to fraction form
    19,330.69/28,995.12 = 6,850.51/x
  3. Step 3: Cross multiply
    19,330.69x = 28,995.12 × 6,850.51
  4. Step 4: Simplify right side
    19,330.69x = 198,631,359.51
  5. Step 5: Solve for x
    x = 198,631,359.51/19,330.69
  6. Step 6: Final answer
    x = 10,275.44

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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.