Home / 13,256.05-19,857.21-6,130.16

Finding the Fourth Proportional to 13,256.05, 19,857.21 and 6,130.16

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Solution

The fourth proportional to 13,256.05, 19,857.21 and 6,130.16 is: 9,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.05 : 19,857.21 = 6,130.16 : x
  2. Step 2: Convert to fraction form
    13,256.05/19,857.21 = 6,130.16/x
  3. Step 3: Cross multiply
    13,256.05x = 19,857.21 × 6,130.16
  4. Step 4: Simplify right side
    13,256.05x = 121,727,775.17
  5. Step 5: Solve for x
    x = 121,727,775.17/13,256.05
  6. Step 6: Final answer
    x = 9,182.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.