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Finding the Fourth Proportional to 14,265, 19,695.35 and 8,889.57

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Solution

The fourth proportional to 14,265, 19,695.35 and 8,889.57 is: 12,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265 : 19,695.35 = 8,889.57 : x
  2. Step 2: Convert to fraction form
    14,265/19,695.35 = 8,889.57/x
  3. Step 3: Cross multiply
    14,265x = 19,695.35 × 8,889.57
  4. Step 4: Simplify right side
    14,265x = 175,083,192.50
  5. Step 5: Solve for x
    x = 175,083,192.50/14,265
  6. Step 6: Final answer
    x = 12,273.62

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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.