Home / 9,687.20-14,523.60-5,309.60

Finding the Fourth Proportional to 9,687.20, 14,523.60 and 5,309.60

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Solution

The fourth proportional to 9,687.20, 14,523.60 and 5,309.60 is: 7,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.20 : 14,523.60 = 5,309.60 : x
  2. Step 2: Convert to fraction form
    9,687.20/14,523.60 = 5,309.60/x
  3. Step 3: Cross multiply
    9,687.20x = 14,523.60 × 5,309.60
  4. Step 4: Simplify right side
    9,687.20x = 77,114,506.56
  5. Step 5: Solve for x
    x = 77,114,506.56/9,687.20
  6. Step 6: Final answer
    x = 7,960.45

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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.