Home / 13,529.16-18,669.87-7,560.86

Finding the Fourth Proportional to 13,529.16, 18,669.87 and 7,560.86

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Solution

The fourth proportional to 13,529.16, 18,669.87 and 7,560.86 is: 10,433.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.16 : 18,669.87 = 7,560.86 : x
  2. Step 2: Convert to fraction form
    13,529.16/18,669.87 = 7,560.86/x
  3. Step 3: Cross multiply
    13,529.16x = 18,669.87 × 7,560.86
  4. Step 4: Simplify right side
    13,529.16x = 141,160,179.94
  5. Step 5: Solve for x
    x = 141,160,179.94/13,529.16
  6. Step 6: Final answer
    x = 10,433.77

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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.