Home / 14,294.75-21,405.40-9,349.97

Finding the Fourth Proportional to 14,294.75, 21,405.40 and 9,349.97

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Solution

The fourth proportional to 14,294.75, 21,405.40 and 9,349.97 is: 14,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294.75 : 21,405.40 = 9,349.97 : x
  2. Step 2: Convert to fraction form
    14,294.75/21,405.40 = 9,349.97/x
  3. Step 3: Cross multiply
    14,294.75x = 21,405.40 × 9,349.97
  4. Step 4: Simplify right side
    14,294.75x = 200,139,847.84
  5. Step 5: Solve for x
    x = 200,139,847.84/14,294.75
  6. Step 6: Final answer
    x = 14,000.93

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1.5x scale

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.