Home / 18,753.88-28,130.96-5,606.37

Finding the Fourth Proportional to 18,753.88, 28,130.96 and 5,606.37

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Solution

The fourth proportional to 18,753.88, 28,130.96 and 5,606.37 is: 8,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.88 : 28,130.96 = 5,606.37 : x
  2. Step 2: Convert to fraction form
    18,753.88/28,130.96 = 5,606.37/x
  3. Step 3: Cross multiply
    18,753.88x = 28,130.96 × 5,606.37
  4. Step 4: Simplify right side
    18,753.88x = 157,712,570.22
  5. Step 5: Solve for x
    x = 157,712,570.22/18,753.88
  6. Step 6: Final answer
    x = 8,409.60

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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.