Home / 13,145.13-19,794.74-9,472.82

Finding the Fourth Proportional to 13,145.13, 19,794.74 and 9,472.82

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Solution

The fourth proportional to 13,145.13, 19,794.74 and 9,472.82 is: 14,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.13 : 19,794.74 = 9,472.82 : x
  2. Step 2: Convert to fraction form
    13,145.13/19,794.74 = 9,472.82/x
  3. Step 3: Cross multiply
    13,145.13x = 19,794.74 × 9,472.82
  4. Step 4: Simplify right side
    13,145.13x = 187,511,862.63
  5. Step 5: Solve for x
    x = 187,511,862.63/13,145.13
  6. Step 6: Final answer
    x = 14,264.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.