Home / 19,488.30-29,216.80-13,250.49

Finding the Fourth Proportional to 19,488.30, 29,216.80 and 13,250.49

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Solution

The fourth proportional to 19,488.30, 29,216.80 and 13,250.49 is: 19,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.30 : 29,216.80 = 13,250.49 : x
  2. Step 2: Convert to fraction form
    19,488.30/29,216.80 = 13,250.49/x
  3. Step 3: Cross multiply
    19,488.30x = 29,216.80 × 13,250.49
  4. Step 4: Simplify right side
    19,488.30x = 387,136,823.23
  5. Step 5: Solve for x
    x = 387,136,823.23/19,488.30
  6. Step 6: Final answer
    x = 19,865.09

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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.