Home / 14,207.92-21,315.24-6,416.68

Finding the Fourth Proportional to 14,207.92, 21,315.24 and 6,416.68

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Solution

The fourth proportional to 14,207.92, 21,315.24 and 6,416.68 is: 9,626.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.92 : 21,315.24 = 6,416.68 : x
  2. Step 2: Convert to fraction form
    14,207.92/21,315.24 = 6,416.68/x
  3. Step 3: Cross multiply
    14,207.92x = 21,315.24 × 6,416.68
  4. Step 4: Simplify right side
    14,207.92x = 136,773,074.20
  5. Step 5: Solve for x
    x = 136,773,074.20/14,207.92
  6. Step 6: Final answer
    x = 9,626.54

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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.