Home / 18,377.08-25,360.63-13,769.70

Finding the Fourth Proportional to 18,377.08, 25,360.63 and 13,769.70

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Solution

The fourth proportional to 18,377.08, 25,360.63 and 13,769.70 is: 19,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.08 : 25,360.63 = 13,769.70 : x
  2. Step 2: Convert to fraction form
    18,377.08/25,360.63 = 13,769.70/x
  3. Step 3: Cross multiply
    18,377.08x = 25,360.63 × 13,769.70
  4. Step 4: Simplify right side
    18,377.08x = 349,208,137.38
  5. Step 5: Solve for x
    x = 349,208,137.38/18,377.08
  6. Step 6: Final answer
    x = 19,002.38

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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.