Home / 19,461.80-29,214.30-12,074.60

Finding the Fourth Proportional to 19,461.80, 29,214.30 and 12,074.60

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Solution

The fourth proportional to 19,461.80, 29,214.30 and 12,074.60 is: 18,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.80 : 29,214.30 = 12,074.60 : x
  2. Step 2: Convert to fraction form
    19,461.80/29,214.30 = 12,074.60/x
  3. Step 3: Cross multiply
    19,461.80x = 29,214.30 × 12,074.60
  4. Step 4: Simplify right side
    19,461.80x = 352,750,986.78
  5. Step 5: Solve for x
    x = 352,750,986.78/19,461.80
  6. Step 6: Final answer
    x = 18,125.30

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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.