Home / 18,760.44-25,888.32-10,260.86

Finding the Fourth Proportional to 18,760.44, 25,888.32 and 10,260.86

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Solution

The fourth proportional to 18,760.44, 25,888.32 and 10,260.86 is: 14,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.44 : 25,888.32 = 10,260.86 : x
  2. Step 2: Convert to fraction form
    18,760.44/25,888.32 = 10,260.86/x
  3. Step 3: Cross multiply
    18,760.44x = 25,888.32 × 10,260.86
  4. Step 4: Simplify right side
    18,760.44x = 265,636,491.88
  5. Step 5: Solve for x
    x = 265,636,491.88/18,760.44
  6. Step 6: Final answer
    x = 14,159.40

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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.