Home / 19,785.12-27,303.51-10,833.21

Finding the Fourth Proportional to 19,785.12, 27,303.51 and 10,833.21

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Solution

The fourth proportional to 19,785.12, 27,303.51 and 10,833.21 is: 14,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.12 : 27,303.51 = 10,833.21 : x
  2. Step 2: Convert to fraction form
    19,785.12/27,303.51 = 10,833.21/x
  3. Step 3: Cross multiply
    19,785.12x = 27,303.51 × 10,833.21
  4. Step 4: Simplify right side
    19,785.12x = 295,784,657.57
  5. Step 5: Solve for x
    x = 295,784,657.57/19,785.12
  6. Step 6: Final answer
    x = 14,949.85

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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.