Home / 12,666.41-18,994.14-4,347.23

Finding the Fourth Proportional to 12,666.41, 18,994.14 and 4,347.23

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Solution

The fourth proportional to 12,666.41, 18,994.14 and 4,347.23 is: 6,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.41 : 18,994.14 = 4,347.23 : x
  2. Step 2: Convert to fraction form
    12,666.41/18,994.14 = 4,347.23/x
  3. Step 3: Cross multiply
    12,666.41x = 18,994.14 × 4,347.23
  4. Step 4: Simplify right side
    12,666.41x = 82,571,895.23
  5. Step 5: Solve for x
    x = 82,571,895.23/12,666.41
  6. Step 6: Final answer
    x = 6,518.97

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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.