Home / 10,659.21-14,709.60-5,879.13

Finding the Fourth Proportional to 10,659.21, 14,709.60 and 5,879.13

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Solution

The fourth proportional to 10,659.21, 14,709.60 and 5,879.13 is: 8,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.21 : 14,709.60 = 5,879.13 : x
  2. Step 2: Convert to fraction form
    10,659.21/14,709.60 = 5,879.13/x
  3. Step 3: Cross multiply
    10,659.21x = 14,709.60 × 5,879.13
  4. Step 4: Simplify right side
    10,659.21x = 86,479,650.65
  5. Step 5: Solve for x
    x = 86,479,650.65/10,659.21
  6. Step 6: Final answer
    x = 8,113.14

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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.