Home / 11,487.42-15,851.52-6,450.50

Finding the Fourth Proportional to 11,487.42, 15,851.52 and 6,450.50

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Solution

The fourth proportional to 11,487.42, 15,851.52 and 6,450.50 is: 8,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.42 : 15,851.52 = 6,450.50 : x
  2. Step 2: Convert to fraction form
    11,487.42/15,851.52 = 6,450.50/x
  3. Step 3: Cross multiply
    11,487.42x = 15,851.52 × 6,450.50
  4. Step 4: Simplify right side
    11,487.42x = 102,250,150.50
  5. Step 5: Solve for x
    x = 102,250,150.50/11,487.42
  6. Step 6: Final answer
    x = 8,901.05

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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.