Home / 12,443.15-18,666.45-4,544.63

Finding the Fourth Proportional to 12,443.15, 18,666.45 and 4,544.63

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Solution

The fourth proportional to 12,443.15, 18,666.45 and 4,544.63 is: 6,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443.15 : 18,666.45 = 4,544.63 : x
  2. Step 2: Convert to fraction form
    12,443.15/18,666.45 = 4,544.63/x
  3. Step 3: Cross multiply
    12,443.15x = 18,666.45 × 4,544.63
  4. Step 4: Simplify right side
    12,443.15x = 84,832,108.66
  5. Step 5: Solve for x
    x = 84,832,108.66/12,443.15
  6. Step 6: Final answer
    x = 6,817.58

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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.