Home / 10,016.82-13,810.65-6,425.45

Finding the Fourth Proportional to 10,016.82, 13,810.65 and 6,425.45

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Solution

The fourth proportional to 10,016.82, 13,810.65 and 6,425.45 is: 8,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.82 : 13,810.65 = 6,425.45 : x
  2. Step 2: Convert to fraction form
    10,016.82/13,810.65 = 6,425.45/x
  3. Step 3: Cross multiply
    10,016.82x = 13,810.65 × 6,425.45
  4. Step 4: Simplify right side
    10,016.82x = 88,739,641.04
  5. Step 5: Solve for x
    x = 88,739,641.04/10,016.82
  6. Step 6: Final answer
    x = 8,859.06

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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.