Home / 12,341.04-18,511.68-9,872.70

Finding the Fourth Proportional to 12,341.04, 18,511.68 and 9,872.70

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Solution

The fourth proportional to 12,341.04, 18,511.68 and 9,872.70 is: 14,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.04 : 18,511.68 = 9,872.70 : x
  2. Step 2: Convert to fraction form
    12,341.04/18,511.68 = 9,872.70/x
  3. Step 3: Cross multiply
    12,341.04x = 18,511.68 × 9,872.70
  4. Step 4: Simplify right side
    12,341.04x = 182,760,263.14
  5. Step 5: Solve for x
    x = 182,760,263.14/12,341.04
  6. Step 6: Final answer
    x = 14,809.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.