Home / 14,066.55-19,412.09-8,401.80

Finding the Fourth Proportional to 14,066.55, 19,412.09 and 8,401.80

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Solution

The fourth proportional to 14,066.55, 19,412.09 and 8,401.80 is: 11,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.55 : 19,412.09 = 8,401.80 : x
  2. Step 2: Convert to fraction form
    14,066.55/19,412.09 = 8,401.80/x
  3. Step 3: Cross multiply
    14,066.55x = 19,412.09 × 8,401.80
  4. Step 4: Simplify right side
    14,066.55x = 163,096,560.06
  5. Step 5: Solve for x
    x = 163,096,560.06/14,066.55
  6. Step 6: Final answer
    x = 11,594.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.