Home / 15,862.88-23,690.18-12,747.64

Finding the Fourth Proportional to 15,862.88, 23,690.18 and 12,747.64

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Solution

The fourth proportional to 15,862.88, 23,690.18 and 12,747.64 is: 19,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.88 : 23,690.18 = 12,747.64 : x
  2. Step 2: Convert to fraction form
    15,862.88/23,690.18 = 12,747.64/x
  3. Step 3: Cross multiply
    15,862.88x = 23,690.18 × 12,747.64
  4. Step 4: Simplify right side
    15,862.88x = 301,993,886.18
  5. Step 5: Solve for x
    x = 301,993,886.18/15,862.88
  6. Step 6: Final answer
    x = 19,037.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.