Home / 16,862.30-25,273.74-12,688.94

Finding the Fourth Proportional to 16,862.30, 25,273.74 and 12,688.94

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Solution

The fourth proportional to 16,862.30, 25,273.74 and 12,688.94 is: 19,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.30 : 25,273.74 = 12,688.94 : x
  2. Step 2: Convert to fraction form
    16,862.30/25,273.74 = 12,688.94/x
  3. Step 3: Cross multiply
    16,862.30x = 25,273.74 × 12,688.94
  4. Step 4: Simplify right side
    16,862.30x = 320,696,970.44
  5. Step 5: Solve for x
    x = 320,696,970.44/16,862.30
  6. Step 6: Final answer
    x = 19,018.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.