Home / 16,897.40-25,367.70-9,006.20

Finding the Fourth Proportional to 16,897.40, 25,367.70 and 9,006.20

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Solution

The fourth proportional to 16,897.40, 25,367.70 and 9,006.20 is: 13,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.40 : 25,367.70 = 9,006.20 : x
  2. Step 2: Convert to fraction form
    16,897.40/25,367.70 = 9,006.20/x
  3. Step 3: Cross multiply
    16,897.40x = 25,367.70 × 9,006.20
  4. Step 4: Simplify right side
    16,897.40x = 228,466,579.74
  5. Step 5: Solve for x
    x = 228,466,579.74/16,897.40
  6. Step 6: Final answer
    x = 13,520.81

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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.