Home / 16,871.60-25,330.20-9,858.80

Finding the Fourth Proportional to 16,871.60, 25,330.20 and 9,858.80

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Solution

The fourth proportional to 16,871.60, 25,330.20 and 9,858.80 is: 14,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.60 : 25,330.20 = 9,858.80 : x
  2. Step 2: Convert to fraction form
    16,871.60/25,330.20 = 9,858.80/x
  3. Step 3: Cross multiply
    16,871.60x = 25,330.20 × 9,858.80
  4. Step 4: Simplify right side
    16,871.60x = 249,725,375.76
  5. Step 5: Solve for x
    x = 249,725,375.76/16,871.60
  6. Step 6: Final answer
    x = 14,801.52

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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.