Home / 12,203.55-16,839.51-6,898.35

Finding the Fourth Proportional to 12,203.55, 16,839.51 and 6,898.35

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Solution

The fourth proportional to 12,203.55, 16,839.51 and 6,898.35 is: 9,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.55 : 16,839.51 = 6,898.35 : x
  2. Step 2: Convert to fraction form
    12,203.55/16,839.51 = 6,898.35/x
  3. Step 3: Cross multiply
    12,203.55x = 16,839.51 × 6,898.35
  4. Step 4: Simplify right side
    12,203.55x = 116,164,833.81
  5. Step 5: Solve for x
    x = 116,164,833.81/12,203.55
  6. Step 6: Final answer
    x = 9,518.94

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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.