Home / 12,282.34-18,423.64-9,832.73

Finding the Fourth Proportional to 12,282.34, 18,423.64 and 9,832.73

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Solution

The fourth proportional to 12,282.34, 18,423.64 and 9,832.73 is: 14,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.34 : 18,423.64 = 9,832.73 : x
  2. Step 2: Convert to fraction form
    12,282.34/18,423.64 = 9,832.73/x
  3. Step 3: Cross multiply
    12,282.34x = 18,423.64 × 9,832.73
  4. Step 4: Simplify right side
    12,282.34x = 181,154,677.74
  5. Step 5: Solve for x
    x = 181,154,677.74/12,282.34
  6. Step 6: Final answer
    x = 14,749.20

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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.