Home / 16,852.80-25,287.30-12,902.70

Finding the Fourth Proportional to 16,852.80, 25,287.30 and 12,902.70

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Solution

The fourth proportional to 16,852.80, 25,287.30 and 12,902.70 is: 19,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.80 : 25,287.30 = 12,902.70 : x
  2. Step 2: Convert to fraction form
    16,852.80/25,287.30 = 12,902.70/x
  3. Step 3: Cross multiply
    16,852.80x = 25,287.30 × 12,902.70
  4. Step 4: Simplify right side
    16,852.80x = 326,274,445.71
  5. Step 5: Solve for x
    x = 326,274,445.71/16,852.80
  6. Step 6: Final answer
    x = 19,360.25

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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.