Home / 17,389.58-23,989.65-10,313.42

Finding the Fourth Proportional to 17,389.58, 23,989.65 and 10,313.42

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Solution

The fourth proportional to 17,389.58, 23,989.65 and 10,313.42 is: 14,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.58 : 23,989.65 = 10,313.42 : x
  2. Step 2: Convert to fraction form
    17,389.58/23,989.65 = 10,313.42/x
  3. Step 3: Cross multiply
    17,389.58x = 23,989.65 × 10,313.42
  4. Step 4: Simplify right side
    17,389.58x = 247,415,336.10
  5. Step 5: Solve for x
    x = 247,415,336.10/17,389.58
  6. Step 6: Final answer
    x = 14,227.79

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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.