Home / 19,431.03-26,814.74-10,933.59

Finding the Fourth Proportional to 19,431.03, 26,814.74 and 10,933.59

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Solution

The fourth proportional to 19,431.03, 26,814.74 and 10,933.59 is: 15,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.03 : 26,814.74 = 10,933.59 : x
  2. Step 2: Convert to fraction form
    19,431.03/26,814.74 = 10,933.59/x
  3. Step 3: Cross multiply
    19,431.03x = 26,814.74 × 10,933.59
  4. Step 4: Simplify right side
    19,431.03x = 293,181,318.45
  5. Step 5: Solve for x
    x = 293,181,318.45/19,431.03
  6. Step 6: Final answer
    x = 15,088.31

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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.