Home / 18,893.13-26,072.66-10,509.63

Finding the Fourth Proportional to 18,893.13, 26,072.66 and 10,509.63

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Solution

The fourth proportional to 18,893.13, 26,072.66 and 10,509.63 is: 14,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893.13 : 26,072.66 = 10,509.63 : x
  2. Step 2: Convert to fraction form
    18,893.13/26,072.66 = 10,509.63/x
  3. Step 3: Cross multiply
    18,893.13x = 26,072.66 × 10,509.63
  4. Step 4: Simplify right side
    18,893.13x = 274,014,009.72
  5. Step 5: Solve for x
    x = 274,014,009.72/18,893.13
  6. Step 6: Final answer
    x = 14,503.37

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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.