Home / 14,742.31-20,341.10-12,361.91

Finding the Fourth Proportional to 14,742.31, 20,341.10 and 12,361.91

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Solution

The fourth proportional to 14,742.31, 20,341.10 and 12,361.91 is: 17,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.31 : 20,341.10 = 12,361.91 : x
  2. Step 2: Convert to fraction form
    14,742.31/20,341.10 = 12,361.91/x
  3. Step 3: Cross multiply
    14,742.31x = 20,341.10 × 12,361.91
  4. Step 4: Simplify right side
    14,742.31x = 251,454,785.69
  5. Step 5: Solve for x
    x = 251,454,785.69/14,742.31
  6. Step 6: Final answer
    x = 17,056.67

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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.