Home / 9,457.80-14,186.70-8,145.60

Finding the Fourth Proportional to 9,457.80, 14,186.70 and 8,145.60

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Solution

The fourth proportional to 9,457.80, 14,186.70 and 8,145.60 is: 12,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.80 : 14,186.70 = 8,145.60 : x
  2. Step 2: Convert to fraction form
    9,457.80/14,186.70 = 8,145.60/x
  3. Step 3: Cross multiply
    9,457.80x = 14,186.70 × 8,145.60
  4. Step 4: Simplify right side
    9,457.80x = 115,559,183.52
  5. Step 5: Solve for x
    x = 115,559,183.52/9,457.80
  6. Step 6: Final answer
    x = 12,218.40

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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.