Home / 9,720.50-14,583.82-7,391.66

Finding the Fourth Proportional to 9,720.50, 14,583.82 and 7,391.66

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Solution

The fourth proportional to 9,720.50, 14,583.82 and 7,391.66 is: 11,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.50 : 14,583.82 = 7,391.66 : x
  2. Step 2: Convert to fraction form
    9,720.50/14,583.82 = 7,391.66/x
  3. Step 3: Cross multiply
    9,720.50x = 14,583.82 × 7,391.66
  4. Step 4: Simplify right side
    9,720.50x = 107,798,638.94
  5. Step 5: Solve for x
    x = 107,798,638.94/9,720.50
  6. Step 6: Final answer
    x = 11,089.82

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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.