Home / 14,743.58-20,360.60-12,606.78

Finding the Fourth Proportional to 14,743.58, 20,360.60 and 12,606.78

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Solution

The fourth proportional to 14,743.58, 20,360.60 and 12,606.78 is: 17,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.58 : 20,360.60 = 12,606.78 : x
  2. Step 2: Convert to fraction form
    14,743.58/20,360.60 = 12,606.78/x
  3. Step 3: Cross multiply
    14,743.58x = 20,360.60 × 12,606.78
  4. Step 4: Simplify right side
    14,743.58x = 256,681,604.87
  5. Step 5: Solve for x
    x = 256,681,604.87/14,743.58
  6. Step 6: Final answer
    x = 17,409.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.