Home / 9,428.70-14,151.15-4,171.80

Finding the Fourth Proportional to 9,428.70, 14,151.15 and 4,171.80

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Solution

The fourth proportional to 9,428.70, 14,151.15 and 4,171.80 is: 6,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.70 : 14,151.15 = 4,171.80 : x
  2. Step 2: Convert to fraction form
    9,428.70/14,151.15 = 4,171.80/x
  3. Step 3: Cross multiply
    9,428.70x = 14,151.15 × 4,171.80
  4. Step 4: Simplify right side
    9,428.70x = 59,035,767.57
  5. Step 5: Solve for x
    x = 59,035,767.57/9,428.70
  6. Step 6: Final answer
    x = 6,261.28

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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.