Home / 8,430.14-12,644.73-2,586.74

Finding the Fourth Proportional to 8,430.14, 12,644.73 and 2,586.74

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Solution

The fourth proportional to 8,430.14, 12,644.73 and 2,586.74 is: 3,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.14 : 12,644.73 = 2,586.74 : x
  2. Step 2: Convert to fraction form
    8,430.14/12,644.73 = 2,586.74/x
  3. Step 3: Cross multiply
    8,430.14x = 12,644.73 × 2,586.74
  4. Step 4: Simplify right side
    8,430.14x = 32,708,565.66
  5. Step 5: Solve for x
    x = 32,708,565.66/8,430.14
  6. Step 6: Final answer
    x = 3,879.96

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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.