Home / 12,354.40-18,534.30-4,034.80

Finding the Fourth Proportional to 12,354.40, 18,534.30 and 4,034.80

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Solution

The fourth proportional to 12,354.40, 18,534.30 and 4,034.80 is: 6,053.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.40 : 18,534.30 = 4,034.80 : x
  2. Step 2: Convert to fraction form
    12,354.40/18,534.30 = 4,034.80/x
  3. Step 3: Cross multiply
    12,354.40x = 18,534.30 × 4,034.80
  4. Step 4: Simplify right side
    12,354.40x = 74,782,193.64
  5. Step 5: Solve for x
    x = 74,782,193.64/12,354.40
  6. Step 6: Final answer
    x = 6,053.08

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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.