Home / 16,438.96-22,683.92-9,724.80

Finding the Fourth Proportional to 16,438.96, 22,683.92 and 9,724.80

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Solution

The fourth proportional to 16,438.96, 22,683.92 and 9,724.80 is: 13,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.96 : 22,683.92 = 9,724.80 : x
  2. Step 2: Convert to fraction form
    16,438.96/22,683.92 = 9,724.80/x
  3. Step 3: Cross multiply
    16,438.96x = 22,683.92 × 9,724.80
  4. Step 4: Simplify right side
    16,438.96x = 220,596,585.22
  5. Step 5: Solve for x
    x = 220,596,585.22/16,438.96
  6. Step 6: Final answer
    x = 13,419.13

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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.