Home / 11,384.06-15,711.44-6,907.55

Finding the Fourth Proportional to 11,384.06, 15,711.44 and 6,907.55

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Solution

The fourth proportional to 11,384.06, 15,711.44 and 6,907.55 is: 9,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.06 : 15,711.44 = 6,907.55 : x
  2. Step 2: Convert to fraction form
    11,384.06/15,711.44 = 6,907.55/x
  3. Step 3: Cross multiply
    11,384.06x = 15,711.44 × 6,907.55
  4. Step 4: Simplify right side
    11,384.06x = 108,527,444.28
  5. Step 5: Solve for x
    x = 108,527,444.28/11,384.06
  6. Step 6: Final answer
    x = 9,533.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.