Home / 13,475.20-20,182.73-10,332.07

Finding the Fourth Proportional to 13,475.20, 20,182.73 and 10,332.07

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Solution

The fourth proportional to 13,475.20, 20,182.73 and 10,332.07 is: 15,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.20 : 20,182.73 = 10,332.07 : x
  2. Step 2: Convert to fraction form
    13,475.20/20,182.73 = 10,332.07/x
  3. Step 3: Cross multiply
    13,475.20x = 20,182.73 × 10,332.07
  4. Step 4: Simplify right side
    13,475.20x = 208,529,379.15
  5. Step 5: Solve for x
    x = 208,529,379.15/13,475.20
  6. Step 6: Final answer
    x = 15,475.05

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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.