Home / 19,736.91-27,237.47-10,784.79

Finding the Fourth Proportional to 19,736.91, 27,237.47 and 10,784.79

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Solution

The fourth proportional to 19,736.91, 27,237.47 and 10,784.79 is: 14,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.91 : 27,237.47 = 10,784.79 : x
  2. Step 2: Convert to fraction form
    19,736.91/27,237.47 = 10,784.79/x
  3. Step 3: Cross multiply
    19,736.91x = 27,237.47 × 10,784.79
  4. Step 4: Simplify right side
    19,736.91x = 293,750,340.16
  5. Step 5: Solve for x
    x = 293,750,340.16/19,736.91
  6. Step 6: Final answer
    x = 14,883.30

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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.