Home / 19,341.63-26,689.44-11,383.38

Finding the Fourth Proportional to 19,341.63, 26,689.44 and 11,383.38

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Solution

The fourth proportional to 19,341.63, 26,689.44 and 11,383.38 is: 15,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.63 : 26,689.44 = 11,383.38 : x
  2. Step 2: Convert to fraction form
    19,341.63/26,689.44 = 11,383.38/x
  3. Step 3: Cross multiply
    19,341.63x = 26,689.44 × 11,383.38
  4. Step 4: Simplify right side
    19,341.63x = 303,816,037.51
  5. Step 5: Solve for x
    x = 303,816,037.51/19,341.63
  6. Step 6: Final answer
    x = 15,707.88

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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.