Home / 14,737.14-20,329.65-9,138.42

Finding the Fourth Proportional to 14,737.14, 20,329.65 and 9,138.42

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Solution

The fourth proportional to 14,737.14, 20,329.65 and 9,138.42 is: 12,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,737.14 : 20,329.65 = 9,138.42 : x
  2. Step 2: Convert to fraction form
    14,737.14/20,329.65 = 9,138.42/x
  3. Step 3: Cross multiply
    14,737.14x = 20,329.65 × 9,138.42
  4. Step 4: Simplify right side
    14,737.14x = 185,780,880.15
  5. Step 5: Solve for x
    x = 185,780,880.15/14,737.14
  6. Step 6: Final answer
    x = 12,606.30

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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.