Home / 19,730.30-27,207.07-13,007.32

Finding the Fourth Proportional to 19,730.30, 27,207.07 and 13,007.32

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Solution

The fourth proportional to 19,730.30, 27,207.07 and 13,007.32 is: 17,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.30 : 27,207.07 = 13,007.32 : x
  2. Step 2: Convert to fraction form
    19,730.30/27,207.07 = 13,007.32/x
  3. Step 3: Cross multiply
    19,730.30x = 27,207.07 × 13,007.32
  4. Step 4: Simplify right side
    19,730.30x = 353,890,965.22
  5. Step 5: Solve for x
    x = 353,890,965.22/19,730.30
  6. Step 6: Final answer
    x = 17,936.43

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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.