Home / 16,895.60-25,321.80-12,273.20

Finding the Fourth Proportional to 16,895.60, 25,321.80 and 12,273.20

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Solution

The fourth proportional to 16,895.60, 25,321.80 and 12,273.20 is: 18,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.60 : 25,321.80 = 12,273.20 : x
  2. Step 2: Convert to fraction form
    16,895.60/25,321.80 = 12,273.20/x
  3. Step 3: Cross multiply
    16,895.60x = 25,321.80 × 12,273.20
  4. Step 4: Simplify right side
    16,895.60x = 310,779,515.76
  5. Step 5: Solve for x
    x = 310,779,515.76/16,895.60
  6. Step 6: Final answer
    x = 18,394.11

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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.