Home / 11,128.92-16,694.29-4,888.07

Finding the Fourth Proportional to 11,128.92, 16,694.29 and 4,888.07

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Solution

The fourth proportional to 11,128.92, 16,694.29 and 4,888.07 is: 7,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.92 : 16,694.29 = 4,888.07 : x
  2. Step 2: Convert to fraction form
    11,128.92/16,694.29 = 4,888.07/x
  3. Step 3: Cross multiply
    11,128.92x = 16,694.29 × 4,888.07
  4. Step 4: Simplify right side
    11,128.92x = 81,602,858.12
  5. Step 5: Solve for x
    x = 81,602,858.12/11,128.92
  6. Step 6: Final answer
    x = 7,332.50

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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.