Home / 10,015.47-13,821.12-5,539.26

Finding the Fourth Proportional to 10,015.47, 13,821.12 and 5,539.26

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Solution

The fourth proportional to 10,015.47, 13,821.12 and 5,539.26 is: 7,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.47 : 13,821.12 = 5,539.26 : x
  2. Step 2: Convert to fraction form
    10,015.47/13,821.12 = 5,539.26/x
  3. Step 3: Cross multiply
    10,015.47x = 13,821.12 × 5,539.26
  4. Step 4: Simplify right side
    10,015.47x = 76,558,777.17
  5. Step 5: Solve for x
    x = 76,558,777.17/10,015.47
  6. Step 6: Final answer
    x = 7,644.05

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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.