Home / 9,747.90-14,623.16-3,421.28

Finding the Fourth Proportional to 9,747.90, 14,623.16 and 3,421.28

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Solution

The fourth proportional to 9,747.90, 14,623.16 and 3,421.28 is: 5,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.90 : 14,623.16 = 3,421.28 : x
  2. Step 2: Convert to fraction form
    9,747.90/14,623.16 = 3,421.28/x
  3. Step 3: Cross multiply
    9,747.90x = 14,623.16 × 3,421.28
  4. Step 4: Simplify right side
    9,747.90x = 50,029,938.85
  5. Step 5: Solve for x
    x = 50,029,938.85/9,747.90
  6. Step 6: Final answer
    x = 5,132.38

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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.