Home / 12,007.16-18,011.61-4,611.62

Finding the Fourth Proportional to 12,007.16, 18,011.61 and 4,611.62

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Solution

The fourth proportional to 12,007.16, 18,011.61 and 4,611.62 is: 6,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.16 : 18,011.61 = 4,611.62 : x
  2. Step 2: Convert to fraction form
    12,007.16/18,011.61 = 4,611.62/x
  3. Step 3: Cross multiply
    12,007.16x = 18,011.61 × 4,611.62
  4. Step 4: Simplify right side
    12,007.16x = 83,062,655.34
  5. Step 5: Solve for x
    x = 83,062,655.34/12,007.16
  6. Step 6: Final answer
    x = 6,917.76

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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.