Home / 17,960.14-24,783.81-10,405.85

Finding the Fourth Proportional to 17,960.14, 24,783.81 and 10,405.85

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Solution

The fourth proportional to 17,960.14, 24,783.81 and 10,405.85 is: 14,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.14 : 24,783.81 = 10,405.85 : x
  2. Step 2: Convert to fraction form
    17,960.14/24,783.81 = 10,405.85/x
  3. Step 3: Cross multiply
    17,960.14x = 24,783.81 × 10,405.85
  4. Step 4: Simplify right side
    17,960.14x = 257,896,609.29
  5. Step 5: Solve for x
    x = 257,896,609.29/17,960.14
  6. Step 6: Final answer
    x = 14,359.39

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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.