Home / 16,520.16-22,799.44-9,447.68

Finding the Fourth Proportional to 16,520.16, 22,799.44 and 9,447.68

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Solution

The fourth proportional to 16,520.16, 22,799.44 and 9,447.68 is: 13,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.16 : 22,799.44 = 9,447.68 : x
  2. Step 2: Convert to fraction form
    16,520.16/22,799.44 = 9,447.68/x
  3. Step 3: Cross multiply
    16,520.16x = 22,799.44 × 9,447.68
  4. Step 4: Simplify right side
    16,520.16x = 215,401,813.30
  5. Step 5: Solve for x
    x = 215,401,813.30/16,520.16
  6. Step 6: Final answer
    x = 13,038.72

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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.