Home / 13,246.80-19,841.40-8,043.60

Finding the Fourth Proportional to 13,246.80, 19,841.40 and 8,043.60

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Solution

The fourth proportional to 13,246.80, 19,841.40 and 8,043.60 is: 12,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.80 : 19,841.40 = 8,043.60 : x
  2. Step 2: Convert to fraction form
    13,246.80/19,841.40 = 8,043.60/x
  3. Step 3: Cross multiply
    13,246.80x = 19,841.40 × 8,043.60
  4. Step 4: Simplify right side
    13,246.80x = 159,596,285.04
  5. Step 5: Solve for x
    x = 159,596,285.04/13,246.80
  6. Step 6: Final answer
    x = 12,047.91

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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.