Home / 12,184.86-16,814.76-6,880.18

Finding the Fourth Proportional to 12,184.86, 16,814.76 and 6,880.18

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Solution

The fourth proportional to 12,184.86, 16,814.76 and 6,880.18 is: 9,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.86 : 16,814.76 = 6,880.18 : x
  2. Step 2: Convert to fraction form
    12,184.86/16,814.76 = 6,880.18/x
  3. Step 3: Cross multiply
    12,184.86x = 16,814.76 × 6,880.18
  4. Step 4: Simplify right side
    12,184.86x = 115,688,575.46
  5. Step 5: Solve for x
    x = 115,688,575.46/12,184.86
  6. Step 6: Final answer
    x = 9,494.45

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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.