Home / 14,125.50-21,195.54-7,200

Finding the Fourth Proportional to 14,125.50, 21,195.54 and 7,200

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Solution

The fourth proportional to 14,125.50, 21,195.54 and 7,200 is: 10,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.50 : 21,195.54 = 7,200 : x
  2. Step 2: Convert to fraction form
    14,125.50/21,195.54 = 7,200/x
  3. Step 3: Cross multiply
    14,125.50x = 21,195.54 × 7,200
  4. Step 4: Simplify right side
    14,125.50x = 152,607,888
  5. Step 5: Solve for x
    x = 152,607,888/14,125.50
  6. Step 6: Final answer
    x = 10,803.72

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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.