Home / 9,371.26-14,057.16-5,420.08

Finding the Fourth Proportional to 9,371.26, 14,057.16 and 5,420.08

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Solution

The fourth proportional to 9,371.26, 14,057.16 and 5,420.08 is: 8,130.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.26 : 14,057.16 = 5,420.08 : x
  2. Step 2: Convert to fraction form
    9,371.26/14,057.16 = 5,420.08/x
  3. Step 3: Cross multiply
    9,371.26x = 14,057.16 × 5,420.08
  4. Step 4: Simplify right side
    9,371.26x = 76,190,931.77
  5. Step 5: Solve for x
    x = 76,190,931.77/9,371.26
  6. Step 6: Final answer
    x = 8,130.28

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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.