Home / 19,341.69-26,686.53-11,382.42

Finding the Fourth Proportional to 19,341.69, 26,686.53 and 11,382.42

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Solution

The fourth proportional to 19,341.69, 26,686.53 and 11,382.42 is: 15,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.69 : 26,686.53 = 11,382.42 : x
  2. Step 2: Convert to fraction form
    19,341.69/26,686.53 = 11,382.42/x
  3. Step 3: Cross multiply
    19,341.69x = 26,686.53 × 11,382.42
  4. Step 4: Simplify right side
    19,341.69x = 303,757,159.37
  5. Step 5: Solve for x
    x = 303,757,159.37/19,341.69
  6. Step 6: Final answer
    x = 15,704.79

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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.