Home / 12,329.09-18,490.93-3,562.10

Finding the Fourth Proportional to 12,329.09, 18,490.93 and 3,562.10

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Solution

The fourth proportional to 12,329.09, 18,490.93 and 3,562.10 is: 5,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.09 : 18,490.93 = 3,562.10 : x
  2. Step 2: Convert to fraction form
    12,329.09/18,490.93 = 3,562.10/x
  3. Step 3: Cross multiply
    12,329.09x = 18,490.93 × 3,562.10
  4. Step 4: Simplify right side
    12,329.09x = 65,866,541.75
  5. Step 5: Solve for x
    x = 65,866,541.75/12,329.09
  6. Step 6: Final answer
    x = 5,342.37

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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.