Home / 13,522.96-18,661.76-7,555.16

Finding the Fourth Proportional to 13,522.96, 18,661.76 and 7,555.16

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Solution

The fourth proportional to 13,522.96, 18,661.76 and 7,555.16 is: 10,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.96 : 18,661.76 = 7,555.16 : x
  2. Step 2: Convert to fraction form
    13,522.96/18,661.76 = 7,555.16/x
  3. Step 3: Cross multiply
    13,522.96x = 18,661.76 × 7,555.16
  4. Step 4: Simplify right side
    13,522.96x = 140,992,582.68
  5. Step 5: Solve for x
    x = 140,992,582.68/13,522.96
  6. Step 6: Final answer
    x = 10,426.16

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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.