Home / 13,525.04-20,288.58-3,664.17

Finding the Fourth Proportional to 13,525.04, 20,288.58 and 3,664.17

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Solution

The fourth proportional to 13,525.04, 20,288.58 and 3,664.17 is: 5,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.04 : 20,288.58 = 3,664.17 : x
  2. Step 2: Convert to fraction form
    13,525.04/20,288.58 = 3,664.17/x
  3. Step 3: Cross multiply
    13,525.04x = 20,288.58 × 3,664.17
  4. Step 4: Simplify right side
    13,525.04x = 74,340,686.41
  5. Step 5: Solve for x
    x = 74,340,686.41/13,525.04
  6. Step 6: Final answer
    x = 5,496.52

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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.