Home / 19,495.70-29,245.40-5,455.72

Finding the Fourth Proportional to 19,495.70, 29,245.40 and 5,455.72

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Solution

The fourth proportional to 19,495.70, 29,245.40 and 5,455.72 is: 8,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.70 : 29,245.40 = 5,455.72 : x
  2. Step 2: Convert to fraction form
    19,495.70/29,245.40 = 5,455.72/x
  3. Step 3: Cross multiply
    19,495.70x = 29,245.40 × 5,455.72
  4. Step 4: Simplify right side
    19,495.70x = 159,554,713.69
  5. Step 5: Solve for x
    x = 159,554,713.69/19,495.70
  6. Step 6: Final answer
    x = 8,184.10

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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.