Home / 11,247.48-16,871.63-5,685.21

Finding the Fourth Proportional to 11,247.48, 16,871.63 and 5,685.21

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Solution

The fourth proportional to 11,247.48, 16,871.63 and 5,685.21 is: 8,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.48 : 16,871.63 = 5,685.21 : x
  2. Step 2: Convert to fraction form
    11,247.48/16,871.63 = 5,685.21/x
  3. Step 3: Cross multiply
    11,247.48x = 16,871.63 × 5,685.21
  4. Step 4: Simplify right side
    11,247.48x = 95,918,731.17
  5. Step 5: Solve for x
    x = 95,918,731.17/11,247.48
  6. Step 6: Final answer
    x = 8,528.02

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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.