Home / 11,017.08-16,431.39-10,628.28

Finding the Fourth Proportional to 11,017.08, 16,431.39 and 10,628.28

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Solution

The fourth proportional to 11,017.08, 16,431.39 and 10,628.28 is: 15,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.08 : 16,431.39 = 10,628.28 : x
  2. Step 2: Convert to fraction form
    11,017.08/16,431.39 = 10,628.28/x
  3. Step 3: Cross multiply
    11,017.08x = 16,431.39 × 10,628.28
  4. Step 4: Simplify right side
    11,017.08x = 174,637,413.71
  5. Step 5: Solve for x
    x = 174,637,413.71/11,017.08
  6. Step 6: Final answer
    x = 15,851.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.