Home / 13,152.30-19,696.32-6,917.55

Finding the Fourth Proportional to 13,152.30, 19,696.32 and 6,917.55

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Solution

The fourth proportional to 13,152.30, 19,696.32 and 6,917.55 is: 10,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.30 : 19,696.32 = 6,917.55 : x
  2. Step 2: Convert to fraction form
    13,152.30/19,696.32 = 6,917.55/x
  3. Step 3: Cross multiply
    13,152.30x = 19,696.32 × 6,917.55
  4. Step 4: Simplify right side
    13,152.30x = 136,250,278.42
  5. Step 5: Solve for x
    x = 136,250,278.42/13,152.30
  6. Step 6: Final answer
    x = 10,359.43

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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.