Home / 18,709.42-25,819-10,752.36

Finding the Fourth Proportional to 18,709.42, 25,819 and 10,752.36

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Solution

The fourth proportional to 18,709.42, 25,819 and 10,752.36 is: 14,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.42 : 25,819 = 10,752.36 : x
  2. Step 2: Convert to fraction form
    18,709.42/25,819 = 10,752.36/x
  3. Step 3: Cross multiply
    18,709.42x = 25,819 × 10,752.36
  4. Step 4: Simplify right side
    18,709.42x = 277,615,182.84
  5. Step 5: Solve for x
    x = 277,615,182.84/18,709.42
  6. Step 6: Final answer
    x = 14,838.26

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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.