Home / 12,008.46-18,000.14-4,108.63

Finding the Fourth Proportional to 12,008.46, 18,000.14 and 4,108.63

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Solution

The fourth proportional to 12,008.46, 18,000.14 and 4,108.63 is: 6,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.46 : 18,000.14 = 4,108.63 : x
  2. Step 2: Convert to fraction form
    12,008.46/18,000.14 = 4,108.63/x
  3. Step 3: Cross multiply
    12,008.46x = 18,000.14 × 4,108.63
  4. Step 4: Simplify right side
    12,008.46x = 73,955,995.79
  5. Step 5: Solve for x
    x = 73,955,995.79/12,008.46
  6. Step 6: Final answer
    x = 6,158.66

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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.