Home / 10,381.51-14,326.68-5,905.36

Finding the Fourth Proportional to 10,381.51, 14,326.68 and 5,905.36

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Solution

The fourth proportional to 10,381.51, 14,326.68 and 5,905.36 is: 8,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.51 : 14,326.68 = 5,905.36 : x
  2. Step 2: Convert to fraction form
    10,381.51/14,326.68 = 5,905.36/x
  3. Step 3: Cross multiply
    10,381.51x = 14,326.68 × 5,905.36
  4. Step 4: Simplify right side
    10,381.51x = 84,604,203.00
  5. Step 5: Solve for x
    x = 84,604,203.00/10,381.51
  6. Step 6: Final answer
    x = 8,149.51

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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.