Home / 12,317.04-18,478.80-5,739.84

Finding the Fourth Proportional to 12,317.04, 18,478.80 and 5,739.84

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Solution

The fourth proportional to 12,317.04, 18,478.80 and 5,739.84 is: 8,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.04 : 18,478.80 = 5,739.84 : x
  2. Step 2: Convert to fraction form
    12,317.04/18,478.80 = 5,739.84/x
  3. Step 3: Cross multiply
    12,317.04x = 18,478.80 × 5,739.84
  4. Step 4: Simplify right side
    12,317.04x = 106,065,355.39
  5. Step 5: Solve for x
    x = 106,065,355.39/12,317.04
  6. Step 6: Final answer
    x = 8,611.27

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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.