Home / 11,464.32-17,160.47-7,885.50

Finding the Fourth Proportional to 11,464.32, 17,160.47 and 7,885.50

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Solution

The fourth proportional to 11,464.32, 17,160.47 and 7,885.50 is: 11,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.32 : 17,160.47 = 7,885.50 : x
  2. Step 2: Convert to fraction form
    11,464.32/17,160.47 = 7,885.50/x
  3. Step 3: Cross multiply
    11,464.32x = 17,160.47 × 7,885.50
  4. Step 4: Simplify right side
    11,464.32x = 135,318,957.02
  5. Step 5: Solve for x
    x = 135,318,957.02/11,464.32
  6. Step 6: Final answer
    x = 11,803.49

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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.