Home / 18,969.13-26,178.85-10,472.89

Finding the Fourth Proportional to 18,969.13, 26,178.85 and 10,472.89

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Solution

The fourth proportional to 18,969.13, 26,178.85 and 10,472.89 is: 14,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.13 : 26,178.85 = 10,472.89 : x
  2. Step 2: Convert to fraction form
    18,969.13/26,178.85 = 10,472.89/x
  3. Step 3: Cross multiply
    18,969.13x = 26,178.85 × 10,472.89
  4. Step 4: Simplify right side
    18,969.13x = 274,168,124.75
  5. Step 5: Solve for x
    x = 274,168,124.75/18,969.13
  6. Step 6: Final answer
    x = 14,453.38

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Similar ratio
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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.