Home / 10,431.29-14,383.72-8,036.05

Finding the Fourth Proportional to 10,431.29, 14,383.72 and 8,036.05

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Solution

The fourth proportional to 10,431.29, 14,383.72 and 8,036.05 is: 11,080.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.29 : 14,383.72 = 8,036.05 : x
  2. Step 2: Convert to fraction form
    10,431.29/14,383.72 = 8,036.05/x
  3. Step 3: Cross multiply
    10,431.29x = 14,383.72 × 8,036.05
  4. Step 4: Simplify right side
    10,431.29x = 115,588,293.11
  5. Step 5: Solve for x
    x = 115,588,293.11/10,431.29
  6. Step 6: Final answer
    x = 11,080.92

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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.