Home / 15,299.24-21,125.40-12,467.04

Finding the Fourth Proportional to 15,299.24, 21,125.40 and 12,467.04

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Solution

The fourth proportional to 15,299.24, 21,125.40 and 12,467.04 is: 17,214.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.24 : 21,125.40 = 12,467.04 : x
  2. Step 2: Convert to fraction form
    15,299.24/21,125.40 = 12,467.04/x
  3. Step 3: Cross multiply
    15,299.24x = 21,125.40 × 12,467.04
  4. Step 4: Simplify right side
    15,299.24x = 263,371,206.82
  5. Step 5: Solve for x
    x = 263,371,206.82/15,299.24
  6. Step 6: Final answer
    x = 17,214.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.