Home / 19,674.32-27,149.87-10,721.64

Finding the Fourth Proportional to 19,674.32, 27,149.87 and 10,721.64

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Solution

The fourth proportional to 19,674.32, 27,149.87 and 10,721.64 is: 14,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.32 : 27,149.87 = 10,721.64 : x
  2. Step 2: Convert to fraction form
    19,674.32/27,149.87 = 10,721.64/x
  3. Step 3: Cross multiply
    19,674.32x = 27,149.87 × 10,721.64
  4. Step 4: Simplify right side
    19,674.32x = 291,091,169.37
  5. Step 5: Solve for x
    x = 291,091,169.37/19,674.32
  6. Step 6: Final answer
    x = 14,795.49

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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.