Home / 18,861.62-26,031.32-10,798.26

Finding the Fourth Proportional to 18,861.62, 26,031.32 and 10,798.26

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Solution

The fourth proportional to 18,861.62, 26,031.32 and 10,798.26 is: 14,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,861.62 : 26,031.32 = 10,798.26 : x
  2. Step 2: Convert to fraction form
    18,861.62/26,031.32 = 10,798.26/x
  3. Step 3: Cross multiply
    18,861.62x = 26,031.32 × 10,798.26
  4. Step 4: Simplify right side
    18,861.62x = 281,092,907.51
  5. Step 5: Solve for x
    x = 281,092,907.51/18,861.62
  6. Step 6: Final answer
    x = 14,902.91

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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.