Home / 19,646.15-27,112.40-10,693.22

Finding the Fourth Proportional to 19,646.15, 27,112.40 and 10,693.22

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Solution

The fourth proportional to 19,646.15, 27,112.40 and 10,693.22 is: 14,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.15 : 27,112.40 = 10,693.22 : x
  2. Step 2: Convert to fraction form
    19,646.15/27,112.40 = 10,693.22/x
  3. Step 3: Cross multiply
    19,646.15x = 27,112.40 × 10,693.22
  4. Step 4: Simplify right side
    19,646.15x = 289,918,884.66
  5. Step 5: Solve for x
    x = 289,918,884.66/19,646.15
  6. Step 6: Final answer
    x = 14,757.03

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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.