Home / 15,673.40-21,617.21-10,893.28

Finding the Fourth Proportional to 15,673.40, 21,617.21 and 10,893.28

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Solution

The fourth proportional to 15,673.40, 21,617.21 and 10,893.28 is: 15,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.40 : 21,617.21 = 10,893.28 : x
  2. Step 2: Convert to fraction form
    15,673.40/21,617.21 = 10,893.28/x
  3. Step 3: Cross multiply
    15,673.40x = 21,617.21 × 10,893.28
  4. Step 4: Simplify right side
    15,673.40x = 235,482,321.35
  5. Step 5: Solve for x
    x = 235,482,321.35/15,673.40
  6. Step 6: Final answer
    x = 15,024.33

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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.