Home / 12,214.40-16,853.27-9,384.86

Finding the Fourth Proportional to 12,214.40, 16,853.27 and 9,384.86

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Solution

The fourth proportional to 12,214.40, 16,853.27 and 9,384.86 is: 12,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.40 : 16,853.27 = 9,384.86 : x
  2. Step 2: Convert to fraction form
    12,214.40/16,853.27 = 9,384.86/x
  3. Step 3: Cross multiply
    12,214.40x = 16,853.27 × 9,384.86
  4. Step 4: Simplify right side
    12,214.40x = 158,165,574.70
  5. Step 5: Solve for x
    x = 158,165,574.70/12,214.40
  6. Step 6: Final answer
    x = 12,949.11

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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.