Home / 13,529.12-18,669.81-7,560.83

Finding the Fourth Proportional to 13,529.12, 18,669.81 and 7,560.83

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Solution

The fourth proportional to 13,529.12, 18,669.81 and 7,560.83 is: 10,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.12 : 18,669.81 = 7,560.83 : x
  2. Step 2: Convert to fraction form
    13,529.12/18,669.81 = 7,560.83/x
  3. Step 3: Cross multiply
    13,529.12x = 18,669.81 × 7,560.83
  4. Step 4: Simplify right side
    13,529.12x = 141,159,166.19
  5. Step 5: Solve for x
    x = 141,159,166.19/13,529.12
  6. Step 6: Final answer
    x = 10,433.73

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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.