Home / 11,523.60-15,903.14-6,487.56

Finding the Fourth Proportional to 11,523.60, 15,903.14 and 6,487.56

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Solution

The fourth proportional to 11,523.60, 15,903.14 and 6,487.56 is: 8,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,523.60 : 15,903.14 = 6,487.56 : x
  2. Step 2: Convert to fraction form
    11,523.60/15,903.14 = 6,487.56/x
  3. Step 3: Cross multiply
    11,523.60x = 15,903.14 × 6,487.56
  4. Step 4: Simplify right side
    11,523.60x = 103,172,542.50
  5. Step 5: Solve for x
    x = 103,172,542.50/11,523.60
  6. Step 6: Final answer
    x = 8,953.15

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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.