Home / 12,347.03-18,516.16-4,447.43

Finding the Fourth Proportional to 12,347.03, 18,516.16 and 4,447.43

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Solution

The fourth proportional to 12,347.03, 18,516.16 and 4,447.43 is: 6,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.03 : 18,516.16 = 4,447.43 : x
  2. Step 2: Convert to fraction form
    12,347.03/18,516.16 = 4,447.43/x
  3. Step 3: Cross multiply
    12,347.03x = 18,516.16 × 4,447.43
  4. Step 4: Simplify right side
    12,347.03x = 82,349,325.47
  5. Step 5: Solve for x
    x = 82,349,325.47/12,347.03
  6. Step 6: Final answer
    x = 6,669.57

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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.