Home / 10,939.36-16,409.04-4,698.88

Finding the Fourth Proportional to 10,939.36, 16,409.04 and 4,698.88

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Solution

The fourth proportional to 10,939.36, 16,409.04 and 4,698.88 is: 7,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.36 : 16,409.04 = 4,698.88 : x
  2. Step 2: Convert to fraction form
    10,939.36/16,409.04 = 4,698.88/x
  3. Step 3: Cross multiply
    10,939.36x = 16,409.04 × 4,698.88
  4. Step 4: Simplify right side
    10,939.36x = 77,104,109.88
  5. Step 5: Solve for x
    x = 77,104,109.88/10,939.36
  6. Step 6: Final answer
    x = 7,048.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.