Home / 13,482.24-18,605.51-7,513.78

Finding the Fourth Proportional to 13,482.24, 18,605.51 and 7,513.78

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Solution

The fourth proportional to 13,482.24, 18,605.51 and 7,513.78 is: 10,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.24 : 18,605.51 = 7,513.78 : x
  2. Step 2: Convert to fraction form
    13,482.24/18,605.51 = 7,513.78/x
  3. Step 3: Cross multiply
    13,482.24x = 18,605.51 × 7,513.78
  4. Step 4: Simplify right side
    13,482.24x = 139,797,708.93
  5. Step 5: Solve for x
    x = 139,797,708.93/13,482.24
  6. Step 6: Final answer
    x = 10,369.03

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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.