Home / 14,125.04-21,164.52-7,190

Finding the Fourth Proportional to 14,125.04, 21,164.52 and 7,190

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Solution

The fourth proportional to 14,125.04, 21,164.52 and 7,190 is: 10,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.04 : 21,164.52 = 7,190 : x
  2. Step 2: Convert to fraction form
    14,125.04/21,164.52 = 7,190/x
  3. Step 3: Cross multiply
    14,125.04x = 21,164.52 × 7,190
  4. Step 4: Simplify right side
    14,125.04x = 152,172,898.80
  5. Step 5: Solve for x
    x = 152,172,898.80/14,125.04
  6. Step 6: Final answer
    x = 10,773.27

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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.