Home / 9,457.22-14,206.49-8,128.62

Finding the Fourth Proportional to 9,457.22, 14,206.49 and 8,128.62

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Solution

The fourth proportional to 9,457.22, 14,206.49 and 8,128.62 is: 12,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.22 : 14,206.49 = 8,128.62 : x
  2. Step 2: Convert to fraction form
    9,457.22/14,206.49 = 8,128.62/x
  3. Step 3: Cross multiply
    9,457.22x = 14,206.49 × 8,128.62
  4. Step 4: Simplify right side
    9,457.22x = 115,479,148.58
  5. Step 5: Solve for x
    x = 115,479,148.58/9,457.22
  6. Step 6: Final answer
    x = 12,210.68

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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.