Home / 13,256.16-18,293.57-7,288.22

Finding the Fourth Proportional to 13,256.16, 18,293.57 and 7,288.22

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Solution

The fourth proportional to 13,256.16, 18,293.57 and 7,288.22 is: 10,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.16 : 18,293.57 = 7,288.22 : x
  2. Step 2: Convert to fraction form
    13,256.16/18,293.57 = 7,288.22/x
  3. Step 3: Cross multiply
    13,256.16x = 18,293.57 × 7,288.22
  4. Step 4: Simplify right side
    13,256.16x = 133,327,530.77
  5. Step 5: Solve for x
    x = 133,327,530.77/13,256.16
  6. Step 6: Final answer
    x = 10,057.78

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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.