Home / 18,384.45-25,370.46-10,427.82

Finding the Fourth Proportional to 18,384.45, 25,370.46 and 10,427.82

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Solution

The fourth proportional to 18,384.45, 25,370.46 and 10,427.82 is: 14,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.45 : 25,370.46 = 10,427.82 : x
  2. Step 2: Convert to fraction form
    18,384.45/25,370.46 = 10,427.82/x
  3. Step 3: Cross multiply
    18,384.45x = 25,370.46 × 10,427.82
  4. Step 4: Simplify right side
    18,384.45x = 264,558,590.20
  5. Step 5: Solve for x
    x = 264,558,590.20/18,384.45
  6. Step 6: Final answer
    x = 14,390.35

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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.