Home / 13,328.23-19,992.30-7,488.94

Finding the Fourth Proportional to 13,328.23, 19,992.30 and 7,488.94

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Solution

The fourth proportional to 13,328.23, 19,992.30 and 7,488.94 is: 11,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.23 : 19,992.30 = 7,488.94 : x
  2. Step 2: Convert to fraction form
    13,328.23/19,992.30 = 7,488.94/x
  3. Step 3: Cross multiply
    13,328.23x = 19,992.30 × 7,488.94
  4. Step 4: Simplify right side
    13,328.23x = 149,721,135.16
  5. Step 5: Solve for x
    x = 149,721,135.16/13,328.23
  6. Step 6: Final answer
    x = 11,233.38

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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.