Home / 10,989.95-16,484.92-2,669.90

Finding the Fourth Proportional to 10,989.95, 16,484.92 and 2,669.90

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Solution

The fourth proportional to 10,989.95, 16,484.92 and 2,669.90 is: 4,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.95 : 16,484.92 = 2,669.90 : x
  2. Step 2: Convert to fraction form
    10,989.95/16,484.92 = 2,669.90/x
  3. Step 3: Cross multiply
    10,989.95x = 16,484.92 × 2,669.90
  4. Step 4: Simplify right side
    10,989.95x = 44,012,998.81
  5. Step 5: Solve for x
    x = 44,012,998.81/10,989.95
  6. Step 6: Final answer
    x = 4,004.84

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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.