Home / 12,019.62-16,585.48-6,713.58

Finding the Fourth Proportional to 12,019.62, 16,585.48 and 6,713.58

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Solution

The fourth proportional to 12,019.62, 16,585.48 and 6,713.58 is: 9,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.62 : 16,585.48 = 6,713.58 : x
  2. Step 2: Convert to fraction form
    12,019.62/16,585.48 = 6,713.58/x
  3. Step 3: Cross multiply
    12,019.62x = 16,585.48 × 6,713.58
  4. Step 4: Simplify right side
    12,019.62x = 111,347,946.82
  5. Step 5: Solve for x
    x = 111,347,946.82/12,019.62
  6. Step 6: Final answer
    x = 9,263.85

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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.