Home / 9,393.14-12,960.48-5,615.74

Finding the Fourth Proportional to 9,393.14, 12,960.48 and 5,615.74

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Solution

The fourth proportional to 9,393.14, 12,960.48 and 5,615.74 is: 7,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.14 : 12,960.48 = 5,615.74 : x
  2. Step 2: Convert to fraction form
    9,393.14/12,960.48 = 5,615.74/x
  3. Step 3: Cross multiply
    9,393.14x = 12,960.48 × 5,615.74
  4. Step 4: Simplify right side
    9,393.14x = 72,782,685.96
  5. Step 5: Solve for x
    x = 72,782,685.96/9,393.14
  6. Step 6: Final answer
    x = 7,748.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.