Home / 13,041.06-19,561.53-3,180.42

Finding the Fourth Proportional to 13,041.06, 19,561.53 and 3,180.42

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Solution

The fourth proportional to 13,041.06, 19,561.53 and 3,180.42 is: 4,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.06 : 19,561.53 = 3,180.42 : x
  2. Step 2: Convert to fraction form
    13,041.06/19,561.53 = 3,180.42/x
  3. Step 3: Cross multiply
    13,041.06x = 19,561.53 × 3,180.42
  4. Step 4: Simplify right side
    13,041.06x = 62,213,881.24
  5. Step 5: Solve for x
    x = 62,213,881.24/13,041.06
  6. Step 6: Final answer
    x = 4,770.62

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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.