Home / 14,066.40-21,100.68-4,204.92

Finding the Fourth Proportional to 14,066.40, 21,100.68 and 4,204.92

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Solution

The fourth proportional to 14,066.40, 21,100.68 and 4,204.92 is: 6,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.40 : 21,100.68 = 4,204.92 : x
  2. Step 2: Convert to fraction form
    14,066.40/21,100.68 = 4,204.92/x
  3. Step 3: Cross multiply
    14,066.40x = 21,100.68 × 4,204.92
  4. Step 4: Simplify right side
    14,066.40x = 88,726,671.35
  5. Step 5: Solve for x
    x = 88,726,671.35/14,066.40
  6. Step 6: Final answer
    x = 6,307.70

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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.