Home / 12,354.68-18,534.76-4,858.96

Finding the Fourth Proportional to 12,354.68, 18,534.76 and 4,858.96

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Solution

The fourth proportional to 12,354.68, 18,534.76 and 4,858.96 is: 7,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.68 : 18,534.76 = 4,858.96 : x
  2. Step 2: Convert to fraction form
    12,354.68/18,534.76 = 4,858.96/x
  3. Step 3: Cross multiply
    12,354.68x = 18,534.76 × 4,858.96
  4. Step 4: Simplify right side
    12,354.68x = 90,059,657.45
  5. Step 5: Solve for x
    x = 90,059,657.45/12,354.68
  6. Step 6: Final answer
    x = 7,289.52

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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.