Home / 15,857.10-21,893.49-14,173.11

Finding the Fourth Proportional to 15,857.10, 21,893.49 and 14,173.11

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Solution

The fourth proportional to 15,857.10, 21,893.49 and 14,173.11 is: 19,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.10 : 21,893.49 = 14,173.11 : x
  2. Step 2: Convert to fraction form
    15,857.10/21,893.49 = 14,173.11/x
  3. Step 3: Cross multiply
    15,857.10x = 21,893.49 × 14,173.11
  4. Step 4: Simplify right side
    15,857.10x = 310,298,842.05
  5. Step 5: Solve for x
    x = 310,298,842.05/15,857.10
  6. Step 6: Final answer
    x = 19,568.45

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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.