Home / 11,868.40-17,797.20-6,320.32

Finding the Fourth Proportional to 11,868.40, 17,797.20 and 6,320.32

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Solution

The fourth proportional to 11,868.40, 17,797.20 and 6,320.32 is: 9,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.40 : 17,797.20 = 6,320.32 : x
  2. Step 2: Convert to fraction form
    11,868.40/17,797.20 = 6,320.32/x
  3. Step 3: Cross multiply
    11,868.40x = 17,797.20 × 6,320.32
  4. Step 4: Simplify right side
    11,868.40x = 112,483,999.10
  5. Step 5: Solve for x
    x = 112,483,999.10/11,868.40
  6. Step 6: Final answer
    x = 9,477.60

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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.