Home / 10,155.13-14,013.21-5,906.28

Finding the Fourth Proportional to 10,155.13, 14,013.21 and 5,906.28

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Solution

The fourth proportional to 10,155.13, 14,013.21 and 5,906.28 is: 8,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.13 : 14,013.21 = 5,906.28 : x
  2. Step 2: Convert to fraction form
    10,155.13/14,013.21 = 5,906.28/x
  3. Step 3: Cross multiply
    10,155.13x = 14,013.21 × 5,906.28
  4. Step 4: Simplify right side
    10,155.13x = 82,765,941.96
  5. Step 5: Solve for x
    x = 82,765,941.96/10,155.13
  6. Step 6: Final answer
    x = 8,150.16

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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.