Home / 9,415.50-14,123.25-3,572.11

Finding the Fourth Proportional to 9,415.50, 14,123.25 and 3,572.11

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Solution

The fourth proportional to 9,415.50, 14,123.25 and 3,572.11 is: 5,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.50 : 14,123.25 = 3,572.11 : x
  2. Step 2: Convert to fraction form
    9,415.50/14,123.25 = 3,572.11/x
  3. Step 3: Cross multiply
    9,415.50x = 14,123.25 × 3,572.11
  4. Step 4: Simplify right side
    9,415.50x = 50,449,784.70
  5. Step 5: Solve for x
    x = 50,449,784.70/9,415.50
  6. Step 6: Final answer
    x = 5,358.16

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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.