Home / 10,381.40-14,326.80-5,845.64

Finding the Fourth Proportional to 10,381.40, 14,326.80 and 5,845.64

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Solution

The fourth proportional to 10,381.40, 14,326.80 and 5,845.64 is: 8,067.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.40 : 14,326.80 = 5,845.64 : x
  2. Step 2: Convert to fraction form
    10,381.40/14,326.80 = 5,845.64/x
  3. Step 3: Cross multiply
    10,381.40x = 14,326.80 × 5,845.64
  4. Step 4: Simplify right side
    10,381.40x = 83,749,214.29
  5. Step 5: Solve for x
    x = 83,749,214.29/10,381.40
  6. Step 6: Final answer
    x = 8,067.24

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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.