Home / 16,970.28-25,421.37-8,649.96

Finding the Fourth Proportional to 16,970.28, 25,421.37 and 8,649.96

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Solution

The fourth proportional to 16,970.28, 25,421.37 and 8,649.96 is: 12,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.28 : 25,421.37 = 8,649.96 : x
  2. Step 2: Convert to fraction form
    16,970.28/25,421.37 = 8,649.96/x
  3. Step 3: Cross multiply
    16,970.28x = 25,421.37 × 8,649.96
  4. Step 4: Simplify right side
    16,970.28x = 219,893,833.65
  5. Step 5: Solve for x
    x = 219,893,833.65/16,970.28
  6. Step 6: Final answer
    x = 12,957.58

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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.