Home / 12,324.60-18,490.02-3,560.28

Finding the Fourth Proportional to 12,324.60, 18,490.02 and 3,560.28

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Solution

The fourth proportional to 12,324.60, 18,490.02 and 3,560.28 is: 5,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.60 : 18,490.02 = 3,560.28 : x
  2. Step 2: Convert to fraction form
    12,324.60/18,490.02 = 3,560.28/x
  3. Step 3: Cross multiply
    12,324.60x = 18,490.02 × 3,560.28
  4. Step 4: Simplify right side
    12,324.60x = 65,829,648.41
  5. Step 5: Solve for x
    x = 65,829,648.41/12,324.60
  6. Step 6: Final answer
    x = 5,341.32

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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.