Home / 16,441.11-22,683.51-9,729.05

Finding the Fourth Proportional to 16,441.11, 22,683.51 and 9,729.05

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Solution

The fourth proportional to 16,441.11, 22,683.51 and 9,729.05 is: 13,422.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,441.11 : 22,683.51 = 9,729.05 : x
  2. Step 2: Convert to fraction form
    16,441.11/22,683.51 = 9,729.05/x
  3. Step 3: Cross multiply
    16,441.11x = 22,683.51 × 9,729.05
  4. Step 4: Simplify right side
    16,441.11x = 220,688,889.55
  5. Step 5: Solve for x
    x = 220,688,889.55/16,441.11
  6. Step 6: Final answer
    x = 13,422.99

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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.