Home / 18,500.22-25,533.50-17,885.13

Finding the Fourth Proportional to 18,500.22, 25,533.50 and 17,885.13

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Solution

The fourth proportional to 18,500.22, 25,533.50 and 17,885.13 is: 24,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.22 : 25,533.50 = 17,885.13 : x
  2. Step 2: Convert to fraction form
    18,500.22/25,533.50 = 17,885.13/x
  3. Step 3: Cross multiply
    18,500.22x = 25,533.50 × 17,885.13
  4. Step 4: Simplify right side
    18,500.22x = 456,669,966.86
  5. Step 5: Solve for x
    x = 456,669,966.86/18,500.22
  6. Step 6: Final answer
    x = 24,684.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.