Home / 10,090.64-13,927.36-5,616

Finding the Fourth Proportional to 10,090.64, 13,927.36 and 5,616

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Solution

The fourth proportional to 10,090.64, 13,927.36 and 5,616 is: 7,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.64 : 13,927.36 = 5,616 : x
  2. Step 2: Convert to fraction form
    10,090.64/13,927.36 = 5,616/x
  3. Step 3: Cross multiply
    10,090.64x = 13,927.36 × 5,616
  4. Step 4: Simplify right side
    10,090.64x = 78,216,053.76
  5. Step 5: Solve for x
    x = 78,216,053.76/10,090.64
  6. Step 6: Final answer
    x = 7,751.35

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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.