Home / 19,431.32-26,814.61-10,933.92

Finding the Fourth Proportional to 19,431.32, 26,814.61 and 10,933.92

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Solution

The fourth proportional to 19,431.32, 26,814.61 and 10,933.92 is: 15,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.32 : 26,814.61 = 10,933.92 : x
  2. Step 2: Convert to fraction form
    19,431.32/26,814.61 = 10,933.92/x
  3. Step 3: Cross multiply
    19,431.32x = 26,814.61 × 10,933.92
  4. Step 4: Simplify right side
    19,431.32x = 293,188,800.57
  5. Step 5: Solve for x
    x = 293,188,800.57/19,431.32
  6. Step 6: Final answer
    x = 15,088.47

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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.