Home / 12,330.76-18,490.65-3,563.59

Finding the Fourth Proportional to 12,330.76, 18,490.65 and 3,563.59

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Solution

The fourth proportional to 12,330.76, 18,490.65 and 3,563.59 is: 5,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.76 : 18,490.65 = 3,563.59 : x
  2. Step 2: Convert to fraction form
    12,330.76/18,490.65 = 3,563.59/x
  3. Step 3: Cross multiply
    12,330.76x = 18,490.65 × 3,563.59
  4. Step 4: Simplify right side
    12,330.76x = 65,893,095.43
  5. Step 5: Solve for x
    x = 65,893,095.43/12,330.76
  6. Step 6: Final answer
    x = 5,343.80

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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.