Home / 19,072.30-26,329.08-12,702.68

Finding the Fourth Proportional to 19,072.30, 26,329.08 and 12,702.68

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Solution

The fourth proportional to 19,072.30, 26,329.08 and 12,702.68 is: 17,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.30 : 26,329.08 = 12,702.68 : x
  2. Step 2: Convert to fraction form
    19,072.30/26,329.08 = 12,702.68/x
  3. Step 3: Cross multiply
    19,072.30x = 26,329.08 × 12,702.68
  4. Step 4: Simplify right side
    19,072.30x = 334,449,877.93
  5. Step 5: Solve for x
    x = 334,449,877.93/19,072.30
  6. Step 6: Final answer
    x = 17,535.90

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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.