Home / 12,677.46-19,011.47-4,355.12

Finding the Fourth Proportional to 12,677.46, 19,011.47 and 4,355.12

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Solution

The fourth proportional to 12,677.46, 19,011.47 and 4,355.12 is: 6,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.46 : 19,011.47 = 4,355.12 : x
  2. Step 2: Convert to fraction form
    12,677.46/19,011.47 = 4,355.12/x
  3. Step 3: Cross multiply
    12,677.46x = 19,011.47 × 4,355.12
  4. Step 4: Simplify right side
    12,677.46x = 82,797,116.39
  5. Step 5: Solve for x
    x = 82,797,116.39/12,677.46
  6. Step 6: Final answer
    x = 6,531.05

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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.