Home / 11,331.40-15,635.59-6,295.54

Finding the Fourth Proportional to 11,331.40, 15,635.59 and 6,295.54

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Solution

The fourth proportional to 11,331.40, 15,635.59 and 6,295.54 is: 8,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.40 : 15,635.59 = 6,295.54 : x
  2. Step 2: Convert to fraction form
    11,331.40/15,635.59 = 6,295.54/x
  3. Step 3: Cross multiply
    11,331.40x = 15,635.59 × 6,295.54
  4. Step 4: Simplify right side
    11,331.40x = 98,434,482.27
  5. Step 5: Solve for x
    x = 98,434,482.27/11,331.40
  6. Step 6: Final answer
    x = 8,686.88

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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.