Home / 14,579.32-20,123.22-8,293.72

Finding the Fourth Proportional to 14,579.32, 20,123.22 and 8,293.72

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Solution

The fourth proportional to 14,579.32, 20,123.22 and 8,293.72 is: 11,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.32 : 20,123.22 = 8,293.72 : x
  2. Step 2: Convert to fraction form
    14,579.32/20,123.22 = 8,293.72/x
  3. Step 3: Cross multiply
    14,579.32x = 20,123.22 × 8,293.72
  4. Step 4: Simplify right side
    14,579.32x = 166,896,352.18
  5. Step 5: Solve for x
    x = 166,896,352.18/14,579.32
  6. Step 6: Final answer
    x = 11,447.47

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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.