Home / 13,483.99-20,225.58-5,687.20

Finding the Fourth Proportional to 13,483.99, 20,225.58 and 5,687.20

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Solution

The fourth proportional to 13,483.99, 20,225.58 and 5,687.20 is: 8,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.99 : 20,225.58 = 5,687.20 : x
  2. Step 2: Convert to fraction form
    13,483.99/20,225.58 = 5,687.20/x
  3. Step 3: Cross multiply
    13,483.99x = 20,225.58 × 5,687.20
  4. Step 4: Simplify right side
    13,483.99x = 115,026,918.58
  5. Step 5: Solve for x
    x = 115,026,918.58/13,483.99
  6. Step 6: Final answer
    x = 8,530.63

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1.5x scale

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.