Home / 19,621.92-29,429.98-6,472.60

Finding the Fourth Proportional to 19,621.92, 29,429.98 and 6,472.60

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Solution

The fourth proportional to 19,621.92, 29,429.98 and 6,472.60 is: 9,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.92 : 29,429.98 = 6,472.60 : x
  2. Step 2: Convert to fraction form
    19,621.92/29,429.98 = 6,472.60/x
  3. Step 3: Cross multiply
    19,621.92x = 29,429.98 × 6,472.60
  4. Step 4: Simplify right side
    19,621.92x = 190,488,488.55
  5. Step 5: Solve for x
    x = 190,488,488.55/19,621.92
  6. Step 6: Final answer
    x = 9,707.94

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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.