Home / 14,066.90-21,101.12-4,206.94

Finding the Fourth Proportional to 14,066.90, 21,101.12 and 4,206.94

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Solution

The fourth proportional to 14,066.90, 21,101.12 and 4,206.94 is: 6,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.90 : 21,101.12 = 4,206.94 : x
  2. Step 2: Convert to fraction form
    14,066.90/21,101.12 = 4,206.94/x
  3. Step 3: Cross multiply
    14,066.90x = 21,101.12 × 4,206.94
  4. Step 4: Simplify right side
    14,066.90x = 88,771,145.77
  5. Step 5: Solve for x
    x = 88,771,145.77/14,066.90
  6. Step 6: Final answer
    x = 6,310.64

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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.