Home / 13,611.04-20,410.26-4,248.16

Finding the Fourth Proportional to 13,611.04, 20,410.26 and 4,248.16

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Solution

The fourth proportional to 13,611.04, 20,410.26 and 4,248.16 is: 6,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.04 : 20,410.26 = 4,248.16 : x
  2. Step 2: Convert to fraction form
    13,611.04/20,410.26 = 4,248.16/x
  3. Step 3: Cross multiply
    13,611.04x = 20,410.26 × 4,248.16
  4. Step 4: Simplify right side
    13,611.04x = 86,706,050.12
  5. Step 5: Solve for x
    x = 86,706,050.12/13,611.04
  6. Step 6: Final answer
    x = 6,370.27

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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.