Home / 19,785.90-27,305.15-10,834.23

Finding the Fourth Proportional to 19,785.90, 27,305.15 and 10,834.23

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Solution

The fourth proportional to 19,785.90, 27,305.15 and 10,834.23 is: 14,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.90 : 27,305.15 = 10,834.23 : x
  2. Step 2: Convert to fraction form
    19,785.90/27,305.15 = 10,834.23/x
  3. Step 3: Cross multiply
    19,785.90x = 27,305.15 × 10,834.23
  4. Step 4: Simplify right side
    19,785.90x = 295,830,307.65
  5. Step 5: Solve for x
    x = 295,830,307.65/19,785.90
  6. Step 6: Final answer
    x = 14,951.58

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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.