Home / 9,153.96-12,633.54-5,615.88

Finding the Fourth Proportional to 9,153.96, 12,633.54 and 5,615.88

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Solution

The fourth proportional to 9,153.96, 12,633.54 and 5,615.88 is: 7,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.96 : 12,633.54 = 5,615.88 : x
  2. Step 2: Convert to fraction form
    9,153.96/12,633.54 = 5,615.88/x
  3. Step 3: Cross multiply
    9,153.96x = 12,633.54 × 5,615.88
  4. Step 4: Simplify right side
    9,153.96x = 70,948,444.62
  5. Step 5: Solve for x
    x = 70,948,444.62/9,153.96
  6. Step 6: Final answer
    x = 7,750.57

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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.