Home / 14,439.32-21,650.88-7,028

Finding the Fourth Proportional to 14,439.32, 21,650.88 and 7,028

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Solution

The fourth proportional to 14,439.32, 21,650.88 and 7,028 is: 10,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.32 : 21,650.88 = 7,028 : x
  2. Step 2: Convert to fraction form
    14,439.32/21,650.88 = 7,028/x
  3. Step 3: Cross multiply
    14,439.32x = 21,650.88 × 7,028
  4. Step 4: Simplify right side
    14,439.32x = 152,162,384.64
  5. Step 5: Solve for x
    x = 152,162,384.64/14,439.32
  6. Step 6: Final answer
    x = 10,538.06

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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.