Home / 12,319.11-17,000.36-6,653.86

Finding the Fourth Proportional to 12,319.11, 17,000.36 and 6,653.86

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Solution

The fourth proportional to 12,319.11, 17,000.36 and 6,653.86 is: 9,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.11 : 17,000.36 = 6,653.86 : x
  2. Step 2: Convert to fraction form
    12,319.11/17,000.36 = 6,653.86/x
  3. Step 3: Cross multiply
    12,319.11x = 17,000.36 × 6,653.86
  4. Step 4: Simplify right side
    12,319.11x = 113,118,015.39
  5. Step 5: Solve for x
    x = 113,118,015.39/12,319.11
  6. Step 6: Final answer
    x = 9,182.32

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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.