Home / 18,445.23-27,646.95-16,219.77

Finding the Fourth Proportional to 18,445.23, 27,646.95 and 16,219.77

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Solution

The fourth proportional to 18,445.23, 27,646.95 and 16,219.77 is: 24,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.23 : 27,646.95 = 16,219.77 : x
  2. Step 2: Convert to fraction form
    18,445.23/27,646.95 = 16,219.77/x
  3. Step 3: Cross multiply
    18,445.23x = 27,646.95 × 16,219.77
  4. Step 4: Simplify right side
    18,445.23x = 448,427,170.20
  5. Step 5: Solve for x
    x = 448,427,170.20/18,445.23
  6. Step 6: Final answer
    x = 24,311.28

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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.