Home / 13,269.91-18,291.23-10,072.79

Finding the Fourth Proportional to 13,269.91, 18,291.23 and 10,072.79

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Solution

The fourth proportional to 13,269.91, 18,291.23 and 10,072.79 is: 13,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.91 : 18,291.23 = 10,072.79 : x
  2. Step 2: Convert to fraction form
    13,269.91/18,291.23 = 10,072.79/x
  3. Step 3: Cross multiply
    13,269.91x = 18,291.23 × 10,072.79
  4. Step 4: Simplify right side
    13,269.91x = 184,243,718.63
  5. Step 5: Solve for x
    x = 184,243,718.63/13,269.91
  6. Step 6: Final answer
    x = 13,884.32

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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.