Home / 19,271.71-28,893.54-13,016.21

Finding the Fourth Proportional to 19,271.71, 28,893.54 and 13,016.21

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Solution

The fourth proportional to 19,271.71, 28,893.54 and 13,016.21 is: 19,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.71 : 28,893.54 = 13,016.21 : x
  2. Step 2: Convert to fraction form
    19,271.71/28,893.54 = 13,016.21/x
  3. Step 3: Cross multiply
    19,271.71x = 28,893.54 × 13,016.21
  4. Step 4: Simplify right side
    19,271.71x = 376,084,384.28
  5. Step 5: Solve for x
    x = 376,084,384.28/19,271.71
  6. Step 6: Final answer
    x = 19,514.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.