Home / 12,360.19-18,542.31-4,037.80

Finding the Fourth Proportional to 12,360.19, 18,542.31 and 4,037.80

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Solution

The fourth proportional to 12,360.19, 18,542.31 and 4,037.80 is: 6,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.19 : 18,542.31 = 4,037.80 : x
  2. Step 2: Convert to fraction form
    12,360.19/18,542.31 = 4,037.80/x
  3. Step 3: Cross multiply
    12,360.19x = 18,542.31 × 4,037.80
  4. Step 4: Simplify right side
    12,360.19x = 74,870,139.32
  5. Step 5: Solve for x
    x = 74,870,139.32/12,360.19
  6. Step 6: Final answer
    x = 6,057.36

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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.