Home / 21,931.32-32,917.50-11,550.36

Finding the Fourth Proportional to 21,931.32, 32,917.50 and 11,550.36

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Solution

The fourth proportional to 21,931.32, 32,917.50 and 11,550.36 is: 17,336.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,931.32 : 32,917.50 = 11,550.36 : x
  2. Step 2: Convert to fraction form
    21,931.32/32,917.50 = 11,550.36/x
  3. Step 3: Cross multiply
    21,931.32x = 32,917.50 × 11,550.36
  4. Step 4: Simplify right side
    21,931.32x = 380,208,975.30
  5. Step 5: Solve for x
    x = 380,208,975.30/21,931.32
  6. Step 6: Final answer
    x = 17,336.35

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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.