Home / 14,762.32-20,361.58-8,789.36

Finding the Fourth Proportional to 14,762.32, 20,361.58 and 8,789.36

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Solution

The fourth proportional to 14,762.32, 20,361.58 and 8,789.36 is: 12,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762.32 : 20,361.58 = 8,789.36 : x
  2. Step 2: Convert to fraction form
    14,762.32/20,361.58 = 8,789.36/x
  3. Step 3: Cross multiply
    14,762.32x = 20,361.58 × 8,789.36
  4. Step 4: Simplify right side
    14,762.32x = 178,965,256.79
  5. Step 5: Solve for x
    x = 178,965,256.79/14,762.32
  6. Step 6: Final answer
    x = 12,123.11

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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.