Home / 13,072.96-19,601.92-4,307.20

Finding the Fourth Proportional to 13,072.96, 19,601.92 and 4,307.20

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Solution

The fourth proportional to 13,072.96, 19,601.92 and 4,307.20 is: 6,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.96 : 19,601.92 = 4,307.20 : x
  2. Step 2: Convert to fraction form
    13,072.96/19,601.92 = 4,307.20/x
  3. Step 3: Cross multiply
    13,072.96x = 19,601.92 × 4,307.20
  4. Step 4: Simplify right side
    13,072.96x = 84,429,389.82
  5. Step 5: Solve for x
    x = 84,429,389.82/13,072.96
  6. Step 6: Final answer
    x = 6,458.32

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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.