Home / 19,588.59-29,383.83-6,440.67

Finding the Fourth Proportional to 19,588.59, 29,383.83 and 6,440.67

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Solution

The fourth proportional to 19,588.59, 29,383.83 and 6,440.67 is: 9,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.59 : 29,383.83 = 6,440.67 : x
  2. Step 2: Convert to fraction form
    19,588.59/29,383.83 = 6,440.67/x
  3. Step 3: Cross multiply
    19,588.59x = 29,383.83 × 6,440.67
  4. Step 4: Simplify right side
    19,588.59x = 189,251,552.37
  5. Step 5: Solve for x
    x = 189,251,552.37/19,588.59
  6. Step 6: Final answer
    x = 9,661.32

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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.