Home / 10,160.64-14,020.29-5,911.38

Finding the Fourth Proportional to 10,160.64, 14,020.29 and 5,911.38

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Solution

The fourth proportional to 10,160.64, 14,020.29 and 5,911.38 is: 8,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.64 : 14,020.29 = 5,911.38 : x
  2. Step 2: Convert to fraction form
    10,160.64/14,020.29 = 5,911.38/x
  3. Step 3: Cross multiply
    10,160.64x = 14,020.29 × 5,911.38
  4. Step 4: Simplify right side
    10,160.64x = 82,879,261.90
  5. Step 5: Solve for x
    x = 82,879,261.90/10,160.64
  6. Step 6: Final answer
    x = 8,156.89

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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.