Home / 14,045.88-21,052.50-5,275.20

Finding the Fourth Proportional to 14,045.88, 21,052.50 and 5,275.20

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Solution

The fourth proportional to 14,045.88, 21,052.50 and 5,275.20 is: 7,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.88 : 21,052.50 = 5,275.20 : x
  2. Step 2: Convert to fraction form
    14,045.88/21,052.50 = 5,275.20/x
  3. Step 3: Cross multiply
    14,045.88x = 21,052.50 × 5,275.20
  4. Step 4: Simplify right side
    14,045.88x = 111,056,148
  5. Step 5: Solve for x
    x = 111,056,148/14,045.88
  6. Step 6: Final answer
    x = 7,906.67

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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.