Home / 14,639.34-20,205.27-9,925.14

Finding the Fourth Proportional to 14,639.34, 20,205.27 and 9,925.14

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Solution

The fourth proportional to 14,639.34, 20,205.27 and 9,925.14 is: 13,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.34 : 20,205.27 = 9,925.14 : x
  2. Step 2: Convert to fraction form
    14,639.34/20,205.27 = 9,925.14/x
  3. Step 3: Cross multiply
    14,639.34x = 20,205.27 × 9,925.14
  4. Step 4: Simplify right side
    14,639.34x = 200,540,133.49
  5. Step 5: Solve for x
    x = 200,540,133.49/14,639.34
  6. Step 6: Final answer
    x = 13,698.71

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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.