Home / 18,983.30-26,196.27-10,485.29

Finding the Fourth Proportional to 18,983.30, 26,196.27 and 10,485.29

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Solution

The fourth proportional to 18,983.30, 26,196.27 and 10,485.29 is: 14,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.30 : 26,196.27 = 10,485.29 : x
  2. Step 2: Convert to fraction form
    18,983.30/26,196.27 = 10,485.29/x
  3. Step 3: Cross multiply
    18,983.30x = 26,196.27 × 10,485.29
  4. Step 4: Simplify right side
    18,983.30x = 274,675,356.89
  5. Step 5: Solve for x
    x = 274,675,356.89/18,983.30
  6. Step 6: Final answer
    x = 14,469.32

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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.