Home / 13,530.90-20,298.36-4,764.26

Finding the Fourth Proportional to 13,530.90, 20,298.36 and 4,764.26

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Solution

The fourth proportional to 13,530.90, 20,298.36 and 4,764.26 is: 7,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.90 : 20,298.36 = 4,764.26 : x
  2. Step 2: Convert to fraction form
    13,530.90/20,298.36 = 4,764.26/x
  3. Step 3: Cross multiply
    13,530.90x = 20,298.36 × 4,764.26
  4. Step 4: Simplify right side
    13,530.90x = 96,706,664.61
  5. Step 5: Solve for x
    x = 96,706,664.61/13,530.90
  6. Step 6: Final answer
    x = 7,147.10

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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.