Home / 10,586.42-15,879.63-4,345.26

Finding the Fourth Proportional to 10,586.42, 15,879.63 and 4,345.26

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Solution

The fourth proportional to 10,586.42, 15,879.63 and 4,345.26 is: 6,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.42 : 15,879.63 = 4,345.26 : x
  2. Step 2: Convert to fraction form
    10,586.42/15,879.63 = 4,345.26/x
  3. Step 3: Cross multiply
    10,586.42x = 15,879.63 × 4,345.26
  4. Step 4: Simplify right side
    10,586.42x = 69,001,121.05
  5. Step 5: Solve for x
    x = 69,001,121.05/10,586.42
  6. Step 6: Final answer
    x = 6,517.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.