Home / 9,423.80-14,135.70-3,875.30

Finding the Fourth Proportional to 9,423.80, 14,135.70 and 3,875.30

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Solution

The fourth proportional to 9,423.80, 14,135.70 and 3,875.30 is: 5,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.80 : 14,135.70 = 3,875.30 : x
  2. Step 2: Convert to fraction form
    9,423.80/14,135.70 = 3,875.30/x
  3. Step 3: Cross multiply
    9,423.80x = 14,135.70 × 3,875.30
  4. Step 4: Simplify right side
    9,423.80x = 54,780,078.21
  5. Step 5: Solve for x
    x = 54,780,078.21/9,423.80
  6. Step 6: Final answer
    x = 5,812.95

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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.