Home / 13,529.92-18,666.21-7,559.41

Finding the Fourth Proportional to 13,529.92, 18,666.21 and 7,559.41

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Solution

The fourth proportional to 13,529.92, 18,666.21 and 7,559.41 is: 10,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.92 : 18,666.21 = 7,559.41 : x
  2. Step 2: Convert to fraction form
    13,529.92/18,666.21 = 7,559.41/x
  3. Step 3: Cross multiply
    13,529.92x = 18,666.21 × 7,559.41
  4. Step 4: Simplify right side
    13,529.92x = 141,105,534.54
  5. Step 5: Solve for x
    x = 141,105,534.54/13,529.92
  6. Step 6: Final answer
    x = 10,429.15

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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.