Home / 11,820.04-16,311.52-6,715.52

Finding the Fourth Proportional to 11,820.04, 16,311.52 and 6,715.52

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Solution

The fourth proportional to 11,820.04, 16,311.52 and 6,715.52 is: 9,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.04 : 16,311.52 = 6,715.52 : x
  2. Step 2: Convert to fraction form
    11,820.04/16,311.52 = 6,715.52/x
  3. Step 3: Cross multiply
    11,820.04x = 16,311.52 × 6,715.52
  4. Step 4: Simplify right side
    11,820.04x = 109,540,338.79
  5. Step 5: Solve for x
    x = 109,540,338.79/11,820.04
  6. Step 6: Final answer
    x = 9,267.34

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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.