Home / 14,267.23-19,689.36-7,893.72

Finding the Fourth Proportional to 14,267.23, 19,689.36 and 7,893.72

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Solution

The fourth proportional to 14,267.23, 19,689.36 and 7,893.72 is: 10,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.23 : 19,689.36 = 7,893.72 : x
  2. Step 2: Convert to fraction form
    14,267.23/19,689.36 = 7,893.72/x
  3. Step 3: Cross multiply
    14,267.23x = 19,689.36 × 7,893.72
  4. Step 4: Simplify right side
    14,267.23x = 155,422,294.82
  5. Step 5: Solve for x
    x = 155,422,294.82/14,267.23
  6. Step 6: Final answer
    x = 10,893.66

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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.