Home / 12,909.04-19,362.48-4,141.60

Finding the Fourth Proportional to 12,909.04, 19,362.48 and 4,141.60

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Solution

The fourth proportional to 12,909.04, 19,362.48 and 4,141.60 is: 6,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909.04 : 19,362.48 = 4,141.60 : x
  2. Step 2: Convert to fraction form
    12,909.04/19,362.48 = 4,141.60/x
  3. Step 3: Cross multiply
    12,909.04x = 19,362.48 × 4,141.60
  4. Step 4: Simplify right side
    12,909.04x = 80,191,647.17
  5. Step 5: Solve for x
    x = 80,191,647.17/12,909.04
  6. Step 6: Final answer
    x = 6,212.05

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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.