Home / 11,164.84-16,748.18-5,615.32

Finding the Fourth Proportional to 11,164.84, 16,748.18 and 5,615.32

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Solution

The fourth proportional to 11,164.84, 16,748.18 and 5,615.32 is: 8,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.84 : 16,748.18 = 5,615.32 : x
  2. Step 2: Convert to fraction form
    11,164.84/16,748.18 = 5,615.32/x
  3. Step 3: Cross multiply
    11,164.84x = 16,748.18 × 5,615.32
  4. Step 4: Simplify right side
    11,164.84x = 94,046,390.12
  5. Step 5: Solve for x
    x = 94,046,390.12/11,164.84
  6. Step 6: Final answer
    x = 8,423.44

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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.