Home / 10,140.25-13,993.51-5,664

Finding the Fourth Proportional to 10,140.25, 13,993.51 and 5,664

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Solution

The fourth proportional to 10,140.25, 13,993.51 and 5,664 is: 7,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.25 : 13,993.51 = 5,664 : x
  2. Step 2: Convert to fraction form
    10,140.25/13,993.51 = 5,664/x
  3. Step 3: Cross multiply
    10,140.25x = 13,993.51 × 5,664
  4. Step 4: Simplify right side
    10,140.25x = 79,259,240.64
  5. Step 5: Solve for x
    x = 79,259,240.64/10,140.25
  6. Step 6: Final answer
    x = 7,816.30

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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.