Home / 13,098.08-19,634.72-4,328.21

Finding the Fourth Proportional to 13,098.08, 19,634.72 and 4,328.21

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Solution

The fourth proportional to 13,098.08, 19,634.72 and 4,328.21 is: 6,488.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.08 : 19,634.72 = 4,328.21 : x
  2. Step 2: Convert to fraction form
    13,098.08/19,634.72 = 4,328.21/x
  3. Step 3: Cross multiply
    13,098.08x = 19,634.72 × 4,328.21
  4. Step 4: Simplify right side
    13,098.08x = 84,983,071.64
  5. Step 5: Solve for x
    x = 84,983,071.64/13,098.08
  6. Step 6: Final answer
    x = 6,488.21

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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.