Home / 10,145.34-13,999.50-5,895.61

Finding the Fourth Proportional to 10,145.34, 13,999.50 and 5,895.61

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Solution

The fourth proportional to 10,145.34, 13,999.50 and 5,895.61 is: 8,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.34 : 13,999.50 = 5,895.61 : x
  2. Step 2: Convert to fraction form
    10,145.34/13,999.50 = 5,895.61/x
  3. Step 3: Cross multiply
    10,145.34x = 13,999.50 × 5,895.61
  4. Step 4: Simplify right side
    10,145.34x = 82,535,557.20
  5. Step 5: Solve for x
    x = 82,535,557.20/10,145.34
  6. Step 6: Final answer
    x = 8,135.32

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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.