Home / 10,998.77-16,499.85-3,601.45

Finding the Fourth Proportional to 10,998.77, 16,499.85 and 3,601.45

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Solution

The fourth proportional to 10,998.77, 16,499.85 and 3,601.45 is: 5,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.77 : 16,499.85 = 3,601.45 : x
  2. Step 2: Convert to fraction form
    10,998.77/16,499.85 = 3,601.45/x
  3. Step 3: Cross multiply
    10,998.77x = 16,499.85 × 3,601.45
  4. Step 4: Simplify right side
    10,998.77x = 59,423,302.28
  5. Step 5: Solve for x
    x = 59,423,302.28/10,998.77
  6. Step 6: Final answer
    x = 5,402.72

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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.