Home / 12,188.52-16,818.57-6,810.35

Finding the Fourth Proportional to 12,188.52, 16,818.57 and 6,810.35

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Solution

The fourth proportional to 12,188.52, 16,818.57 and 6,810.35 is: 9,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.52 : 16,818.57 = 6,810.35 : x
  2. Step 2: Convert to fraction form
    12,188.52/16,818.57 = 6,810.35/x
  3. Step 3: Cross multiply
    12,188.52x = 16,818.57 × 6,810.35
  4. Step 4: Simplify right side
    12,188.52x = 114,540,264.11
  5. Step 5: Solve for x
    x = 114,540,264.11/12,188.52
  6. Step 6: Final answer
    x = 9,397.39

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Double scale
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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.